An idealist is one who, on noticing that a rose smells better than a cabbage, concludes that it will also make better soup.
We have really everything in common with America nowadays except, of course, language.
Nothing is so good for an ignorant man as silence; and if he was sensible of this he would not be ignorant.
No great improvements in the lot of mankind are possible until a great change takes place in the fundamental constitution of their modes of thought.
Worrying about them always struck me as about as useful as worrying about getting hit by lightning.
I never know how much of what I say is true.
Genius is one per cent inspiration, ninety-nine per cent perspiration.