
Source: Treatise Concerning Eternal and Immutable Morality (1731), Ch. 5, sct. 7
100 Years of Mathematics: a Personal Viewpoint (1981)
Source: Treatise Concerning Eternal and Immutable Morality (1731), Ch. 5, sct. 7
“God exists since mathematics is consistent, and the Devil exists since we cannot prove it.”
As quoted in Mathematical Circles Adieu (Boston 1977) by H Eves
'Vagueness' http://www.personal.kent.edu/~rmuhamma/Philosophy/RBwritings/vagueness.htm, first published in The Australasian Journal of Psychology and Philosophy, 1 June, 1923
1920s
Richard Courant in: The Parsimonious Universe, Stefan Hildebrandt & Anthony Tromba, Springer-Verlag, 1996, page 148
Amoureux et jaloux de la liberté humaine, et la considérant comme la condition absolue de tout ce que nous adorons et respectons dans l'humanité, je retourne la phrase de Voltaire, et je dis : Si Dieu existait réellement, il faudrait le faire disparaître.
Source: God and the State (1871; publ. 1882), Ch. II; Variants or variant translations of this statement have also been attributed to Bakunin:
The first revolt is against the supreme tyranny of theology, of the phantom of God. As long as we have a master in heaven, we will be slaves on earth.
A boss in Heaven is the best excuse for a boss on earth, therefore If God did exist, he would have to be abolished.