Among thousands of men, one perchance strives, for perfection; even among those successful strivers, only one perchance knows Me in essence.

manuṣyāṇāṃ = of men; sahasreṣu = out of many thousands; kaścit = someone; yatati = endeavors; siddhaye = for perfection; yatatāṃ = of those so endeavoring; api = indeed; siddhānāṃ = of those who have achieved perfection; kaścit = someone; māṃ = Me; vetti = does know; tattvataḥ = in fact.;