"Life, like a mirror, never gives back more than we put into it."

"If you have anything really valuable to contribute to the world, it will come through the expression of your own personality, that single spark of divinity that sets you off and makes you different from every other living creature."

"…who dies rich dies disgraced."

"Judge a tree from its fruit, not from its leaves."

"How wonderful it is that nobody needs to wait a single moment before starting to improve the world."

"No one has a right to consume happiness without producing it."

"Ask not what your country can do for you…Ask what you can do for your country."

"We judge ourselves by what we feel capable of doing; others judge us by what we have done."

"I was brought up to believe that the only thing worth doing was to add to the sum of accurate information in this world."

"If you have a passion, then you have something to contribute. It's not about asking, "What should I do?" It's about asking, "What is my passion?""