Time mends all, ends all things earthly.

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.

In a time of turbulence and change, it is more true than ever that knowledge is power.

If the arts are held up solely as a means of social insight, fantasy is denied the chance to be commonplace and reality the chance to be exotic.

I just travel the world with my backpack and my cameras and a bunch of Clif bars.

Climate change: Don't undermine the science just because you don't like the economics

I've been a big music guy for a long time and a lot of my books have music in them so I like music analogies.

The worst thing that can happen to a man who gambles is to win

It costs a lot of money to look this cheap.

At a very early age I started a cartoon scrapbook, actually when I was in high school. And it became, in turn, a scrapbook of my life. And there are about 2,000 volumes.

Sometimes when you do things right, there's no results.

A physician is one who pours drugs of which he knows little into a body of which he knows less.