Abraham Lincoln

How many legs does a dog have if you call his tail a leg? Four. Saying that a tail is a leg doesn't make it a leg.

Ballots are the rightful and peaceful successors to bullets.

Give me six hours to chop down a tree and I will spend the first four sharpening the axe.

Well, I actually wrote her a letter a couple of days ago congratulating her. The tone I tried to convey in the letter is, look, you are a part of a great American historical process.

We define ourselves as intelligent. That's odd, because we're doing the definition - We're creating our own definition and saying, 'We are intelligent!'

I have always had confidence in my own ability.