पातञ्जल योगसूत्र (स्वामी विवेकानन्द भाष्य एवं सूत्र व्याख्या)

Patanjali Yoga Sutras
By perceiving the impressions, knowledge of past
life.
Each experience that we have comes in the form of a wave in
the Chitta, and this subsides and becomes finer and finer, but
is never lost. It remains there in minute form, and if we can
bring this wave up again, it becomes memory. So, if the Yogi
can make a Samyama on these past impressions in the mind,
he will begin to remember all his past lives.
19. प्रत्ययस्य परचित्तज्ञानम् ॥ १९॥
pratyayasy parachittajnanam
By making Samyama on the signs in another's both
knowledge of that mind comes.
Suppose each man has particular signs on his body, which
differentiate him from others; when the Yogi makes a
Samyama on these signs peculiar to a certain man he knows
the nature of the mind of that person.
20. न च तत् सालम्बनं,तस्याविषयीभूतत्वात् ॥२०॥
na cha tat salambanan,tasyavishayibhootatvat
But not its contents, that not being the object of the
Samyama.
He would not know the contents of the mind by making a
Samyama on the body. There would be required a twofold
Samyama, first on the signs in the body, and then on the mind
itself. The Yogi would then know everything that is in that
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