Experience fails to teach where there is no desire to learn.
Patriotism is, fundamentally, a conviction that a particular country is the best in the world because you were born in it…
No man who is occupied in doing a very difficult thing, and doing it very well, ever loses his self-respect.
Progress is impossible without change, and those who cannot change their minds cannot change anything.
The power of accurate observation is frequently called cynicism by those who have not got it.
A life spent making mistakes is not only more honourable, but more useful than a life spent doing nothing.
Beauty is all very well at first sight; but who ever looks at it when it has been in the house three days?