The heavens declare the glory of Kepler and Newton.

Every attempt to employ mathematical methods in the study of chemical questions must be considered profoundly irrational and contrary to the spirit of chemistry.... if mathematical analysis should ever hold a prominent place in chemistry -- an aberration which is happily almost impossible -- it would occasion a rapid and widespread degeneration of that science.

The sacred formula of positivism: love as a principle, the order as a foundation, and progress as a goal.

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.

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

Ideas govern the world, or throw it into chaos.

If we do not allow free thinking in chemistry or biology, why should we allow it in morals or politics?