Yoga Sūtra Chapter Four verse 5

प्रवृत्तिभेदे प्रयोजकं चित्तमेकमनेकेषाम् ॥५॥

pravṛtti-bhede prayojakaṃ cittam-ekam-anekeṣām ||5||

Although division in finer cognition,
one psyche is the initiator of many.

pravṛtti - finer cognition; special cognitionbheda - divide, pierceprayojaka - initiating, occasioning, causing, effecting, leading to, inciting, stimulating, deputingcitta - psyche (the totality of the human mind, conscious and unconscious); mind; hearteka - oneaneka - other