Buddhist-Meditation-Systematic-and-Practical

Tantras. These are mostly concerned with action,
particularly with the service (ritual worship) of the
Buddhas.
Let us try to divide each Yoga into three parts. If we do
this with the Kriya Tantra, then all three parts are seen
to be devoted to this ritual action or puja. This ensures
that our later practice of meditation is not without
spiritual guidance, but is well protected by the inward
results of these external practices (for instance, the four
Vajrayana Foundations, see Autobiography and
Appendix II).
b. The Carya Tantras are in the second group. They are
sometimes known as ubhaya-carya-tantras, that is, the
practice of both sides, both of rituals and yogic
concentration. Here, if we make three parts, two of them
will refer to karma and one to meditation.
c. In the Yoga Tantras, only one part out of the three is
devoted to karma, while two would be given to
meditation.
d. With the Anuttarayoga Tantras, all three parts
concern the practice of meditation.
Therefore, we understand that in the Tantras also there
is a gradual process of preparation, the first three yogas
leading up to the practice of full samadhi in the
Anuttarayoga. To make this explanation quite clear, the
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