Appreciation is a wonderful thing: It makes what is excellent in others belong to us as well.

Doubt is not a very agreeable status, but certainty is a ridiculous one.

Atheism is the vice of a few intelligent people.

Liberty, then, about which so many volumes have been written is, when accurately defined, only the power of acting.

There are barbarians who seize this dog, who so prodigiously surpasses man in friendship, and nail him down to a table, and dissect him alive to show you the mezaraic veins... Answer me, Machinist, has Nature really arranged all the springs of feeling in this animal to the end that he might not feel? Has he nerves that he may be incapable of suffering?

There is only one morality, as there is only one geometry.

had no need of a guide to learn ignorance