Once conform, once do what others do because they do it, and a kind of lethargy steals over all the finer senses of the soul.

There is a certain consideration, and a general duty of humanity, that binds us not only to the animals, which have life and feeling, but even to the trees and plants. We owe justice to people, and kindness and benevolence to all other creatures who may be susceptible of it. There is some intercourse between them and us, and some mutual obligation.

I do not teach. I relate.

One should always have one's boots on and be ready to leave.

Happiness involves working toward meaningful goals.

Tortures are a dangerous invention, and seem to be a test of endurance rather than of truth.

There are truths on this side of the Pyrenees which are falsehoods on the other