Bhagavad Gita: Verse 5.18
विद्याविनयसम्पन्ने ब्राह्मणे गवि हस्तिनि ।
शुनि चैव श्वपाके च पण्डिताः समदर्शिनः ॥ ५-१८॥
vidyāvinayasampanne brāhmaṇe gavi hastini
śuni caiva śvapāke ca paṇḍitāḥ samadarśinaḥ
Sages look with an equal eye upon a BRAHMANA endowed with learning and humility, on a cow, on an elephant, and even on a dog and an outcaste.
vidyā = with education; vinaya = and gentleness; sampanne = fully equipped; brāhmaṇe = in the brahmana; gavi = in the cow; hastini = in the elephant; śuni = in the dog; ca = and; eva = certainly; śvapāke = in the dog-eater (the outcaste); ca = respectively; paṇḍitāḥ = those who are wise; samadarśinaḥ = who see with equal vision.;