Yoga Sūtra Chapter Three verse 19
प्रत्ययस्य परचित्तज्ञानम् ॥१९॥
pratyasya para-citta-jñānam ||19||
Of psychic activity, knowledge of others psyche.
pratyaya - psychic activity; cause; conception, assumption, notion, idea; ground, basis, motive or cause of anythingpara - higher, othercitta - psyche (the totality of the human mind, conscious and unconscious); mind; heartjñāna - knowing; knowledge; higher knowledge