Democracy is a device that insures we shall be governed no better than we deserve.
Patriotism is, fundamentally, a conviction that a particular country is the best in the world because you were born in it…
Progress is impossible without change, and those who cannot change their minds cannot change anything.
No man who is occupied in doing a very difficult thing, and doing it very well, ever loses his self-respect.
A life spent making mistakes is not only more honourable, but more useful than a life spent doing nothing.
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.