Buddhist-Meditation-Systematic-and-Practical

appropriate meaning in each specific instance.
The meaning of "Xin" in connection with the size of the
vajra implies "harmonization," and thus embraces all
meanings.
The reasons why that vajra is visualized in the physical
heart are: to give an origin to all its enlarged sizes, to
impart its wisdom to the heart's life-energy, to transform
the eighth consciousness into the knowledge of
Buddhahood, to present an embodiment of good will,
and to strengthen the bodhicitta of the second form.
2. Of the five forms in this yoga, the first three have in
their names the word "Xin" (translated as "mind") and
the last two have the word "body" in their names. The
body is second in importance to the mind, but the main
subject of this yoga is the body. Hence the enlargement
of the vajra should be the size of one's own body. The
five elements in the organs and the five wisdoms in the
mind, symbolized together by the vajra, transform the
organs and sublimate the human body.
3. It is said that all sentient beings of the six realms are
under the sky. Thus the visualization of the vajra should
fill all space between heaven and earth, so that all
sentient beings of the six realms are blessed by this
vajra.
4. Visualizing the vajra the size of the Dharmadhatu
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