One is always a little afraid of love, but above all, one is afraid of pain or causing pain.

We know that the exercise of virtue should be its own reward, and it seems to follow that the enduring of it on the part of the patient should be its own punishment.

The reason is, and by rights ought to be, slave to the emotions.

Self-respect will keep a man from being abject when he is in the power of enemies, and will enable him to feel that he may be in the right when the world is against him.

Man is a rational animal – so at least I have been told. Throughout a long life, I have looked diligently for evidence in favour of this statement, but so far I have not had the good fortune to come across it, though I have searched in many countries spread over three continents.

You must believe that you can help bring about a better world.

Do not feel certain of anything.