Bhagavad Gita 5.18

विद्याविनयसंपन्ने ब्राह्मणे गवि हस्तिनि।शुनि चैव श्वपाके च पण्डिताः समदर्शिनः ॥५.१८॥

vidyāvinayasaṃpanne brāhmaṇe gavi hastiniśuni caiva śvapāke ca paṇḍitāḥ samadarśinaḥ

Sages look with an equal eye on a Brahmana endowed with learning and humility, on a cow, an elephant, a dog, and even an outcaste.

गीता