Proclaim human equality as loudly as you like, Witless will serve his brother.

My experience of the world is that things left to themselves don't get right.

The improver of natural knowledge absolutely refuses to acknowledge authority, as such. For him, skepticism is the highest of duties blind faith the one unpardonable sin.

The man of science has learned to believe in justification, not by faith, but by verification.

The results of political changes are hardly ever those which their friends hope or their foes fear.