The Buddhist understanding of the continuity of personal experience, including our memories, can also be considered here. The Buddhist view is that the continuity of personal experience is primarily founded on the capacity for retention, which can be further developed during one’s meditative practice in this life. However, generally speaking, it is thought that if a person dies after a prolonged period of illness that has led to a prolonged degeneration of both physical and mental capacities, there will be a greater chance of many of the personal characteristics, including memories etc., being lost. On the other hand, in the case of someone who dies a sudden death, when the mind-body relationship at the gross level is still very firm, it is thought that there is a greater chance of carrying forward the acquired characteristics and memories, etc. Nonetheless, in both cases, the characteristics carried forward from a previous life are generally thought to be most strongly felt at an early stage of one’s rebirth. This is because the personal characteristics of the previous life are thought, generally speaking, to be quickly overwhelmed by the developing characteristics inherited from the parents of the present life. Nonetheless, as I have mentioned, much depends in this respect on the individual’s capacity for recall and this capacity for recall is dependent on a deepened retentive training acquired in this lifetime.
Now, let us look at the possible states of existence one can be born into. From the Buddhist perspective, rebirth in conditioned existence can take place in one of three realms: the formless realm, the form realm or the desire realm. The form and formless realms are fruits of subtle states of consciousness, attained upon the realisation of certain meditative concentrations. Our realm, the desire realm, is the most gross of these three. Six classes of beings are described as inhabiting the desire realm: gods (mundane celestial beings whose primary mental state is exaltation), antigods (who are predominantly hostile and jealous), human beings (who are influenced by all the five dissonant mental states), animals (who are under the sway of delusion), anguished spirits (who are under the sway of attachment and unsatisfied craving) and hell beings (who are overwhelmed by hatred, anger and fear). In the literature of Highest Yoga Tantra, the evolution of all the three realms of conditioned existence are described in terms of differing expressions or states of energy and, as I have mentioned, it is said that our fundamental ignorance is the root of conditioned existence and that karmic energy is its activating force. In the Buddhist view, therefore, it is the nature of our habitual tendencies that generates our future existence, driven by the natural law of cause and effect.
Further, when we observe the patterns of arising and subsiding that underlie the dynamic nature of the physical environment, the cycle of days and nights and the passing of the seasons, for example, and we observe how matter arises from insubstantial subatomic particles and we look at the patterns of causal connectedness in the arising and dissolution of our mental experiences from moment to moment, across the differing phases of deep sleep, dreams and our waking state, the notion of continuity of consciousness can come to be seen to be in accord with both the nature of our environment and the nature of our mental experience. Certainly, it has often been argued that one advantage of accepting the notion of continuity of consciousness is that it gives us a more profound ability to understand and to explain the nature of our existence and of the universe. In addition, this notion of continuity and causal interconnectedness reinforces a sense of consequences for our own actions, in terms of both the impact on ourselves and the impact on others and the environment.
So, in summary, when considering the notion of continuity of consciousness we must bear in mind that there are many different levels of greater or lesser subtlety in the states of consciousness. For example, we know of course that certain qualities of sensory perception are dependent on the physical constitution of the individual and that when the physical body dies, the states of consciousness associated with these sensory perceptions also cease. But, although we know that the human body serves as a condition for human consciousness, the question still remains: what is the nature of the underlying factor or essence that accounts for our experience of consciousness as having the natural quality of luminosity and awareness?
Finally, then, when considering the interrelationship between mind, body and the environment at the subtle level, we know that material things are composed of cells, atoms and particles and that consciousness is composed of moments. That is to say that mind and matter have distinctly different natures and therefore have different substantial causes. Material things come into being based on other material entities such as particles, atoms and cells and the mind comes into being based on a previous moment of mind, which is something that is luminous and has the capacity to be aware. Each moment of awareness therefore depends on a previous moment of awareness as its cause. This is the reasoning upon which Buddhist logic asserts that there is at the level of subtle mind and subtle wind a beginningless continuum of mind and matter.
It is through reflection on the above themes: the law of cause and effect, dependent origination, the dynamics of our physical environment, and, based on our analysis of the nature of mind, the mode of the arising and subsiding of thoughts, the shifts in the modalities of our consciousness between deep sleep, dreams and our waking state, etc., that the notion of continuity of consciousness may first become established as relevant to the understanding of our current condition. Once the notion of this continuity has been confirmed, through reflection and experience, then it becomes logical to prepare oneself for death and for future existences.
Now, as to the nature of the actual preparation itself, this will depend on each individual’s depth of spiritual aspiration. For example, if an individual is simply seeking a favourable rebirth as a human being, there is no need to engage in a sophisticated meditative path related to the processes of death and rebirth. Simply to live a virtuous life is seen as sufficient. Similarly, in the case of those who are seeking personal liberation from conditioned existence and also in the case of those whose practice is confined to the sūtra level of the Mahāyāna path, their meditative preparation will be limited to ensuring the attainment of successive forms of existence that will be conducive to the continuation of their journey towards enlightenment. For these three kinds of individuals, no actual techniques for utilising the time of death as an essential element of the spiritual path have been set down in the classical Buddhist literature. Nevertheless, since the understanding of the processes of death, the intermediate state and rebirth are crucial to our understanding of the nature of existence, we do find extensive discussion of these three processes, even in the texts which relate to the aspirations of these three kinds of persons.
It is exclusively in tantra, however, and particularly in Highest Yoga Tantra, that the methods for utilising the processes of death, the intermediate state and rebirth are specifically taught as the basis for achieving liberation from cyclic existence. These methods involve the development of a skilful relationship with certain experiential stages that an individual actually induces with the intention of enhancing spiritual realisation and the fruition of their capacities as a human being.
Generally speaking, the practices of Highest Yoga Tantra present a spiritual path which enables the individual to attain complete buddhahood within a single lifetime, prior to the moment of death. Yet, for those who are unable to achieve this, it becomes crucial to use the transformative opportunities offered by the naturally occurring processes of death, the intermediate state and rebirth. Hence, in Highest Yoga Tantra, it is not merely the preparation for a more developed future rebirth which is important, but of more fundamental significance is the personal preparation for using one’s own death and subsequent states as a means of achieving liberation.
In the literature of Highest Yoga Tantra, as I have mentioned, the three realms of conditioned existence into which a human being may be born are described in terms of differing expressions or modalities of energy (rlung) and it is said that our fundamenta
l ignorance is the root of conditioned existence and that karmic energy is its activating force. Further, from the tantric perspective, death, the intermediate state and rebirth are also seen as nothing other than differing modalities of karmic energy. The point at which the gross levels of energy are completely dissolved and only the subtle energies remain is death. The stage at which these energies unfold into a more manifest form is the intermediate state, and the stage at which they eventually manifest substantially is called rebirth. Thus, all three states are differing manifestations of energy (rlung). Based on this understanding, since death is the state when all the gross levels of energy and consciousness have been dissolved, and only the subtle energies and consciousnesses remain, it is possible for an advanced yogin to meditatively induce a state which is almost identical to the actual experience of death. This can be achieved because it is possible to meditatively bring about the dissolution of the gross levels of energy and consciousness. When such a task is accomplished, the meditator gains an enormous potential to progress definitively in his or her spiritual practice. For at the stage, when the experience of fundamental inner radiance is genuinely effected through such a method, the yogin gains the capacity to actualise the illusory body of the meditational deity - thus ensuring the realisation of perfect buddhahood in this lifetime.
This achievement of perfect buddhahood entails the actualisation of the three dimensions or bodies of a buddha (trikāya). These fruitional bodies are related both to our ultimate natural state and to the emanational qualities of full enlightenment. Interestingly, we see exactly the same pattern of dimensions in our ordinary existence. Death is the point at which both the physical and mental fields dissolve into inner radiance and where both consciousness and energy exist at their most subtle non-dual level, as in deep sleep. This mode in its fruitional state is the Buddha-body of Reality (dharmakāya). Then, from within this essential or natural state, one enters into the intermediate state, where, although there is perceptual experience, the phenomenal forms are comparatively subtle and non-substantive, as in a dream. This mode in its fruitional state is the Buddha-body of Perfect Resource (sambhogakāya). Then, from this state, one assumes a grosser physical existence culminating in actual rebirth, as in our normal waking experience. This mode in its fruitional state is the Buddha-body of Emanation (nirmāṇakāya). Thus, we see a direct parallel between the three natural states of our existence and the three dimensions of a fully enlightened being.
Now, since actualisation of these three dimensions can be effected through the transformation of the three ordinary states of our existence, we find an array of practices which contain specific meditative techniques focusing on those attributes which the three ordinary states of existence and the three buddha-bodies have in common. Through these practices a continuity is developed between the ground or base (the ordinary state), the path, and the fruition (the buddha-bodies). In order to highlight the potential for liberation which exists in the skilful transformation of the ordinary states of existence, the great Indian Buddhist master Nāgārjuna uses the term ‘kāya’ even when describing the three ordinary states. Thus, the dimension (kāya) of the moment of death is equated with the basic dharmakāya, the dimension (kāya) of the intermediate state with the basic sambhogakāya and the dimension (kāya) of the rebirth process with the basic nirmāṇakāya .c Thus, it is said, that through the meditative ability of an accomplished yogin, a genuine assimilation takes place at the actual moment of death, upon entering the intermediate state and upon beginning the process of rebirth.
With respect to training in these practices, a similitude of such an assimilation can be effected during the waking state, through generation stage practices, and during sleep, through dream yoga practices.
In tantra the practice of imaginatively generating the meditational deity, that is to say, the practice of tantra’s generation stage, is a unique path by which the three fruitional dimensions or buddha-bodies are brought into the path of one’s practice. It is through understanding the profundity of this method that the tantric approach can be fully appreciated. The process of generating oneself as the meditational deity is the means by which the indivisible union of the realisation of emptiness and the realisation of perfect awareness is brought to fruition. This accomplishment directly counteracts the ordinary perceptions and apprehensions which underlie our ordinary dualistic experience. It is this accomplishment that culminates in the realisation of the ultimate nature of mind, the Buddha-body of Reality, the state beyond ordinary thought, where there is no longer any trace of the misapprehension of the nature of reality, of attachment or of aversion - only pure radiant awareness.
The practice of generating oneself as the meditational deity is found in all four classes of tantra. However, these methods are taught in their most sophisticated forms in the class of Highest Yoga Tantra. Depending on the spiritual capacities of the practitioner the tantras describe a graduated series of methods for generating oneself as the meditational deity. In the New Translation schools there is a systematisation according to four levels of capacity and in the Nyingma (or Old Translation) school the highest level of practice is further subdivided into three methods: Mahāyoga, Anuyoga and Atiyoga.
In the primary stages of tantric practice, in order to train oneself in the actualisation of the three buddha-bodies, as I have mentioned, the yogin first engages in the practices of the generation stage of meditation. The generation stage is like an imaginary rehearsal of the actual processes. Then, in the perfection stage of meditation, however, the experiences of entering the Buddha-body of Reality and actualising its emanational states, the Buddha-body of Perfect Resource and the Buddha-body of Emanation, are not imagined but real, and even involve certain physiological changes occurring in the yogin’s body. Crucial to all these practices is the process of the dissolution of the gross consciousnesses and energies of the practitioner. Here, the practice of Highest Yoga Tantra underlines the importance of interrupting or cutting off the gross energy which serves as a vehicle for conceptual elaborations. Thereby, hypothetically speaking, if the individual succeeds in interrupting the flow of karmic energy, then, even if the propensities for fundamental ignorance remain, they will be rendered impotent.
As I have noted above, if we observe carefully, we can see a basic pattern of emergence and dissolution which is common to both animate and inanimate phenomena. Among inanimate phenomena the processes of arising start from the very subtle and develop into the more gross. That is: there is an emergence from empty space, and a progression to movement or energy, to heat or light, to moisture or liquidity, and finally to solidity. The dissolution is the reverse of this sequence. This process of arising and dissolution also occurs in the body. In tantra, the process of dissolution of the physical elements which constitute a human body is described as beginning first with the dissolution of the earth element, followed by the water element, the fire element, the wind element and, finally, at the point at which only the space element is prominent, all the gross levels of energy and consciousness have dissolved. Then, in a further series of dissolutions, this stage gives rise to the experiences which are called: ‘whitish appearance’, followed by ‘reddish increased appearance’, ‘blackish near attainment’ and finally there is a culmination in the full experience of inner radiance called ‘the attainment’.d
Because the stages of dissolution are natural processes, imagining these is of pre-eminent importance in the generation-stage practices of visualising the meditational deity.
Both in the New and Old Translation schools, the actualisation of inner radiance, the point at which all our gross consciousnesses and energies have been dissolved, is the primary intent. This is the essence of the Great Perfection (Dzogchen) practicese of the Nyingma tradition, of the Union of Emptiness and Luminosity Based on the Sameness of Saṃsāra and Nirvāṇa practices of the Sakya tradition, of the Great Seal (Mahāmudrā) practices of the Kagyu tradition and the Indivisible Union of Bliss and Emptiness practi
ces of the Gelug tradition.
Now, when we speak of inner radiance, it is important to bear in mind that there are different levels at which this can be experi-enced and, in addition, there is one important difference between the Dzogchen view of inner radiance and that of the New Translation schools. As with that of emptiness, the experience of inner radiance can be of different types. The experience of inner radiance described in the New Translation schools is effected only subsequent to the dissolution of all the gross levels of conceptual elaboration. However, in the Dzogchen view, all states of awareness or consciousness are thought to be pervaded by inner radiance, just as a sesame seed is permeated by oil. Therefore, in Dzogchen, there exist refined instructions which allow the recognition of inner radiance even while all the gross levels of sensory activity are still active. This is where we come to the important distinction made in the Dzogchen teachings between the Tibetan terms ‘sems’ and ‘rig-pa’. Our ‘ordinary mind’ (sems) refers to the gross dualising consciousness (rnam-shes), whereas ‘pure awareness’ (rig-pa) is free from the dualistic perceptions of subject and object. Following the practices of the Dzogchen teachings of the Nyingma school the student is directly introduced by an authentic spiritual teacher to the very nature of his or her mind as pure awareness. This is the focus of the ‘Cutting through Resistance’ (khregs-chod) aspect of the Dzogchen path and this is complemented by the All-surpassing Realisation (thod-rgal) practices which focus on eliciting and recognising the radiances of pristine cognition.f Irrespective of these differences of view and practice, however, a genuine experience of inner radiance is the realisation of the fundamental nature of our awareness, which is the inextricable union of emptiness and luminosity.
The Tibetan Book of the Dead Page 2