What others think of us would be of little moment did it not, when known, so deeply tinge what we think of ourselves.
The main things which seem to me important on their own account, and not merely as means to other things, are knowledge, art, instinctive happiness, and relations of friendship or affection.
All human beings should try to learn before they die what they are running from, and to, and why.
Absolute faith corrupts as absolutely as absolute power.
First there is a time when we believe everything, then for a little while we believe with discrimination, then we believe nothing whatever, and then we believe everything again – and, moreover, give reasons why we believe.
At 18 our convictions are hills from which we look; At 45 they are caves in which we hide.
I feel about airplanes the way I feel about diets. It seems to me they are wonderful things for other people to go on.
Knowledge comes, but wisdom lingers.