Mother is far too clever to understand anything she does not like.

It is difficult to make a reputation, but is even more difficult seriously to mar a reputation once properly made --- so faithful is the public.

You are not in charge of the universe; you are in charge of yourself.

I don't read my reviews, I measure them.

The test of a first-rate work, and a test of your sincerity in calling it a first-rate work, is that you finish it.

Your own mind is a sacred enclosure into which nothing harmful can enter except by your permission.

The people who live in the past must yield to the people who live in the future. Otherwise the world would begin to turn the other way round.