You know, be able to do something great in your life, you're gonna have to realize your failures. You're gonna have to embrace them and figure out how to overcome it.

I tell students that even if they don't like math right now, they can use math as a brain-sharpening tool - a tool that not only builds the foundation for a great career, but that also builds self-confidence, no matter what they choose to do with their lives.

A leader takes people where they want to go. A great leader takes people where they don't necessarily want to go, but ought to be.

In framing a government which is to be administered by men over men you must first enable the government to control the governed and in the next place oblige it to control itself.

You are that vast thing that you see far, far off with great telescopes.