“The people who get on in this world are the people who get up and look for the circumstances they want, and if they can't find them, make them.”

The worst sin towards our fellow creatures is not to hate them, but to be indifferent to them: that's the essence of inhumanity.

You see things; you say, 'Why?' But I dream things that never were; and I say, 'Why not?'

A pessimist is a man who thinks everybody is as nasty as himself, and hates them for it.

If you have an apple and I have an apple and we exchange these apples then you and I will still each have one apple. But if you have an idea and I have an idea and we exchange these ideas, then each of us will have two ideas.

Progress is impossible without change, and those who cannot change their minds cannot change anything.

There are two tragedies in life. One is to lose your heart's desire. The other is to gain it.

Life is no brief candle to me. It is a sort of splendid torch which I have got hold of for the moment.

Life is no brief candle to me. It is a sort of splendid torch which I have got a hold of for the moment.