In the end, we will remember not the words of our enemies, but the silence of our friends.
Maybe the most any of us can expect of ourselves isn't perfection but progress.
If one morning I walked on top of the water across the Potomac River, the headline that afternoon would read "President Can't Swim".
The real problem is not whether machines think but whether men do.
If you would thoroughly know anything, teach it to others.
Youth would be an ideal state if it came a little later in life.
Oh, I don't blame Congress. If I had $600 billion at my disposal, I'd be irresponsible, too.
Those are my principles, and if you don't like them... well, I have others.
Life is pleasant. Death is peaceful. It's the transition that's troublesome.