ब्राह्मणं दशवर्षं तु शतवर्षं तु भूमिपम् । पितापुत्रौ विजानीयाद् ब्राह्मणस्तु तयोः पिता ॥ १३५ ॥
Know that a Brahmana of ten years and Kshatriya of a hundred years stand to each other in the relation of father and son; but between those two the Brahmana is the father.
english translation