SB 11.17.16
samo damas tapah saucam
santosah ksantir arjavam
mad-bhaktis ca daya satyam
brahma-prakrtayas tv imah
Translation:
Peacefulness, self-control, austerity, cleanliness, satisfaction, tolerance, simple straightforwardness, devotion to Me, mercy and truthfulness are the natural qualities of the brahmanas.