Courage is what it takes to stand up and speak; courage is also what it takes to sit down and listen.

Logic will get you from A to B. Imagination will take you everywhere.

Just remember, you can't climb the ladder of success with your hands in your pockets.

Do I not effectually destroy my enemies, in making them my friends?

It's kind of fun to do the impossible.

I never resist temptation because I have found that things that are bad for me do not tempt me.

If you live to be a hundred, I want to live to be a hundred minus one day.