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

Woman is the most moral element in all humanity.

Induction for deduction, with a view to construction.

In mathematics we find the primitive source of rationality; and to mathematics must the biologists resort for means to carry out their researches.

The dead govern the living.

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.

But now, I, August Comte, have discovered the truth. Therefore, there is no longer any need for freedom of thought or freedom of the press. I want to rule and to organize the whole country.