The Sama, the Rick, the Vayu (Vedas) did not exist. There was no manual labour. The necessaries of life were procured only by thinking for them. The only Dharma was then renunciation.
न सामऋग्यजुर्वर्णाः क्रिया नासीच्च मानवी। अभिध्याय फलं तत्रधर्मः संन्यास एव च॥