If there was nothing wrong in the world there wouldn't be anything for us to do.
No man who is occupied in doing a very difficult thing, and doing it very well, ever loses his self-respect.
The moment we want to believe something, we suddenly see all the arguments for it, and become blind to the arguments against it.
Some men see things as they are and ask why. Others dream of things that never were and ask why not.
A life spent making mistakes is not only more honourable, but more useful than a life spent doing nothing.
Patriotism is, fundamentally, a conviction that a particular country is the best in the world because you were born in it…
Success does not consist in never making mistakes but in never making the same one a second time.
Marriage is an alliance entered into by a man who can't sleep with the window shut, and a woman who can't sleep with the window open.