Yoga Sūtra Chapter Three verse 12
ततः पुनः शातोदितौ तुल्यप्रत्ययौ चित्तस्यैकाग्रतापरिणामः ॥१२॥
tataḥ punaḥ śānta-uditau tulya-pratyayau cittasya-ekāgratā-pariṇāmaḥ ||12||
Again from that transformation of one-pointedness in the psyche,
sameness of quiescent and uprisen psychic activities.
tatas - hence, from thatpunar - againśānta - quiescentudita - uprisentulya - samenesspratyaya - psychic activity; cause; conception, assumption, notion, idea; ground, basis, motive or cause of anythingcitta - psyche (the totality of the human mind, conscious and unconscious); mind; hearteka - onegrata - pointednesspariṇāma - transformation into; change, alteration, development, evolution