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.

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

The dead govern the living.

Induction for deduction, with a view to construction.

The universe displays no proof of an all-directing mind.

All good intellects have repeated, since Bacon's time, that there can be no real knowledge but which is based on observed facts.

Know yourself to improve yourself.