When I am working on a problem, I never think about beauty but when I have finished, if the solution is not beautiful, I know it is wrong.

I'm not a genius. I'm just a tremendous bundle of experience.

We are called to be architects of the future, not its victims.

Parents are usually more careful to bestow knowledge on their children rather than virtue, the art of speaking well rather than doing well; but their manners should be of the greatest concern.

I look for what needs to be done. After all, that's how the universe designs itself.

Love is metaphysical gravity.