A book which, above all others in the world, should be forbidden, is a catalogue of forbidden books.

There are people who think that everything one does with a serious face is sensible.

One should never trust a person who, while assuring you of something, puts his hands on his heart.

I forget most of what I read, just as I do most of what I have eaten, but I know that both contribute no less to the conservation of my mind and my body on that account.

One must judge men not by their opinions, but by what their opinions have made of them.

Ask yourself always: how can this be done better?

Do not judge God's world from your own. Trim your own hedge as you wish and plant your flowers in the patterns you can understand, but do not judge the garden of nature from your little window box.