Freedom and order are not incompatible... truth is strength... free discussion is the very life of truth.

The thief and the murderer follow nature just as much as the philanthropist.

My reflection, when I first made myself master of the central idea of the 'Origin', was, 'How extremely stupid not to have thought of that!'

The clergy are at present divided into three sections: an immense body who are ignorant; a small proportion who know and are silent; and a minute minority who know and speak according to their knowledge.

Economy does not lie in sparing money, but in spending it wisely.

Science is simply common sense at its best, that is, rigidly accurate in observation, and merciless to fallacy in logic.

Logical consequences are the scarecrows of fools and the beacons of wise men.