Who are you and how did you get in here?' 'I'm a locksmith. And, I'm a locksmith.'
Doing nothing is very hard to do ... you never know when you're finished.
Somebody once asked Niels Bohr why he had a horseshoe hanging above the front door of his house. "Surely you, a world famous physicist, can't really believe that hanging a horseshoe above your door brings you luck?". "Of course not," Bohr replied, "but I have been reliably informed that it will bring me luck whether I believe in it or not."
I like to see the glass as half full, hopefully of jack daniels.
Anyone who is not shocked by quantum theory has not understood it.
The opposite of a correct statement is a false statement. But the opposite of a profound truth may well be another profound truth.
Your theory is crazy, but it's not crazy enough to be true.
An expert is a person who has made all the mistakes that can be made in a very narrow field.
Never express yourself more clearly than you are able to think.