A fly, Sir, may sting a stately horse and make him wince; but one is but an insect, and the other is a horse still.
Success is to be measured not so much by the position that one has reached in life as by the obstacles which he has overcome.
Life doesn't imitate art, it imitates bad television.
Temper is the one thing you can't get rid of by losing it.
Before seeking revenge, first dig two graves.
The worst loneliness is not to be comfortable with yourself.
I have little patience with scientists who take a board of wood, look for its thinnest part, and drill a great number of holes where drilling is easy.
The only reason for time is so that everything doesn't happen at once.
Once you can accept the universe as matter expanding into nothing that is something, wearing stripes with plaid comes easy.
I do not believe in a personal God, and I have never denied this, but have expressed it clearly. If something is in me which can be called religious, then it is the unbounded admiration for the structure of the world so far as our science can reveal it.