vṛttisārūpyam itaratra [YS 1.4]

vyutthāne yāś cittavṛttayas tadaviśiṣṭavṛttiḥ puruṣaḥ. tathā ca sūtram ekam eva darśanaṃ khyātir eva darśanam iti. cittam ayaskāntamaṇikalpaṃ saṃnidhimātropakāri dṛśyatvena svaṃ bhavati puruṣasya svāminaḥ. tasmāc cittavṛttibodhe puruṣasyānādiḥ saṃbandho hetuḥ.

tāḥ punar niroddhavyā bahutve sati cittasya ---