The men who have done big things are those who were not afraid to attempt big things, who were not afraid to risk failure in order to gain success.

You can easily judge the character of a man by how he treats those who can do nothing for him.

I have made the most important discovery of my career, the most important discovery of my life: It is only in the mysterious equations of love that any logic or reasons can be found.

Classes will dull your mind, destroy the potential for authentic creativity.

The purpose of education is to replace an empty mind with an open one.

People are always selling the idea that people with mental illness are suffering. I think madness can be an escape. If things are not so good, you maybe want to imagine something better.

Too many people overvalue what they are not and undervalue what they are.

As you will find in multivariable calculus, there is often a number of solutions for any given problem.

Failure is success if we learn from it.

Rationality of thought imposes a limit on a person's concept of his relation to the cosmos.

The biggest mistake people make in life is not trying to make a living at doing what they most enjoy.

People who know how to creatively break the rules also know why the rules were there in the first place.

Never Take Life For Granted.

It is too true, however disgraceful it may be to human nature, that nations in general will make war whenever they have a prospect of getting anything by it.

My goal is to help elect not only the first but second woman president. That will be real progress. I believe our next presidential election will see women at the top of the ticket for both parties.

I think holidays create so much pressure because people feel they should be having a good time. But you shouldn't.

This is my seventh decade... and every once in a while I get a hankering to re-visit these songs again... songs with which I have had a great relationship.

Everyone has a story; everyone hides his past as a means of self-preservation. Some just do it better, and more thoroughly, than others.

As soon as the boss decides he wants his workers to do something, he has two problems: making them do it and monitoring what they do.

If there's only one answer, then this must not be a very interesting topic.

[A primate ban] would force us to abandon research that could lead to treatments for Alzheimer's, motor neurone disease, strokes and many other illnesses