Regarded anatomically, the resemblances between the foot of Man and the foot of the Gorilla are far more striking and important than the differences... be the differences between the hand and foot of Man and those of the Gorilla what they may the differences between those of the Gorilla and those of the lower Apes are much greater.

Science reckons many prophets, but there is not even a promise of a Messiah.

If the hypothesis of evolution is true, living matter must have arisen from non-living matter; for by the hypothesis the condition of the globe was at one time such, that living matter could not have existed in it, life being entirely incompatible with the gaseous state.

Science is simply common sense at its best.

I wish you would let an old man, who has had his share of fighting, remind you that battles, like hypotheses, are not to be multiplied beyond necessity.

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

Of moral purpose I see no trace in Nature. That is an article of exclusively human manufacture and very much to our credit.