Everything is relative; and only that is absolute.

To reorganize society without God or King, by the systematic culture of Humanity.

Men are not allowed to think freely about chemistry and biology: why should they be allowed to think freely about political philosophy?

nd now that man's history has been for the first time systematically considered as a whole, and has been found to be, like all other phenomena, subject to invariable laws, the preparatory labours of modern Science are ended.

Humanity is always made up of more dead than living.

The only real life is the collective life of the race; individual life has no existence except as an abstraction.

Every science consists in the coordination of facts; if the different observations were entirely isolated, there would be no science.