The triumph of justice is the only peace.
Darwin has done more to change human thought than all the priests who have existed.
Meekness is the mask of malice.
Fear is religion, courage is science.
An infinite personality is an infinite impossibility.
He who dishonors himself [by lying about his opinions] for the sake of being honored by others will find that two mistakes have been made - one by himself, and the other, by the people.