Sāṃkhya Kārikā verse 64

evaṃ tattvābhyāsāt na asmi na me na aham iti apariśeṣam |
aviparyayāt viśuddhaṃ kevalam utpadyate jñānam ||

eva - thustattva - principle; thatnessaham - I; I amiti - thus; in this manner; something that has been said or thought; having so said; (it is used like a quotation mark)viśuddhi - special puritykevala - alone, only, merely, solely, excluding othersutpannā - arisesjñāna - knowing; knowledge; higher knowledge