The man who believes he can do it is probably right, and so is the man who believes he can't.

Middle age is when you stop criticizing the older generation and start criticizing the younger one.

An intelligence test sometimes shows a man how smart he would have been not to have taken it.

My problem is I say what I'm thinking before I think what I'm saying.

America is a country that doesn't know where it is going but is determined to set a speed record getting there.

The best intelligence test is what we do with our leisure.

If the outcome is good, what's the difference between motives that sound good and good, sound motives?