The earth is round, smoking is linked to lung cancer, gravity makes things fall, and humans are warming the planet. Scientists strongly agree on all of these.

What men want is not knowledge but certainty.

Every day a question mark.

There's nothing of any importance in life — except how well you do your work. Nothing. Only that. Whatever else you are, will come from that. It's the only measure of human value.

People who are willing to give up freedom for the sake of short term security, deserve neither freedom nor security.

If you wish to be good, first believe that you are bad.

Alone-- it is wonderful how little a man can do alone! To rob a little, to hurt a little, and there is the end.

I know what kind of pitcher Whitey was, and I know what kind of person Whitey is. It makes me feel proud to be a Yankee. We're keeping this in the family.

If all you did was tell a lamppost your goals for each day, they would still be far more likely to happen.

I can take hardship. I can sleep on the cold floor anytime. I can also sleep on a feather bed.

Laughter is a form of internal jogging. It moves your internal organs around. It enhances respiration. It is an igniter of great expectations.