"There is no heaven, no final liberation, nor any soul in another world, Nor do the actions of the four castes, orders, produce any real effect. The Agnihotra, the three Vedas, the ascetic's three staves, and smearing one's self with ashes, Were made by Nature as the livelihood of those destitute of knowledge and manliness. If a beast slain in the Jyotishṭoma rite will itself go to heaven, Why then does not the sacrificer forthwith offer his own father?"
January 1, 1970
https://en.wikiquote.org/wiki/Irreligion_in_India