The Shrutis say that the offspring one begets is his own self. Originally sprung from Brahman, all the inhabitants of the Earth should have been Brahmanas. Sprung from Brahmanas, why have men begun to perform works distinguished from those of Brahmanas.
यदेतज्जायतेऽपत्यं स एवायमिति श्रुतिः। कथं ब्राह्मणतो जातो विशेषग्रहणं गतः॥