Whenever you are fed up with life, start writing: ink is the great cure for all human ills, as I have found out long ago.

When a man is getting better he understands more and more clearly the evil that is still left in him. When a man is getting worse he understands his own badness less and less.

Gone! And you and I quite crestfallen. It’s always like that, you can’t keep him; it’s not as if he were a tame lion.

No mind is so good that it does not need another mind to counter and equal it, and to save it from conceit and bigotry and folly

Disobedience to conscience makes conscience blind.

If they embark on this course the difference between the old and the new education will be an important one. Where the old initiated, the new merely 'conditions'. The old dealt with its pupils as grown birds deal with young birds when they teach them to fly; the new deals with them more as the poultry-keeper deals with young birds- making them thus or thus for purposes of which the birds know nothing. In a word, the old was a kind of propagation-men transmitting manhood to men; the new is merely propaganda.

A universe whose only claim to be believed in rests on the validity of inference must not start telling us the inference is invalid.