BG 5.16-18
Verily, in whom unwisdom is destroyed by the wisdom of the Self, in them wisdom, shining as the sun, reveals the Supreme. Thinking on That, merged in That, established in That, solely devoted to That, they go whence there is no return, their sins dispelled by wisdom. Sages look equally on a Brâhmana adorned with learning and humility, a cow, an elephant, and even a dog and an outcaste.