DNA has been aptly described as the first three-dimensional Xerox machine.

Anyone who believes exponential growth can go on forever in a finite world is either a madman or an economist.

A world of unseen dictatorship is conceivable, still using the forms of democratic government.

Economics has been incurably growth-oriented and addicted to everybody growing richer, even at the cost of exhaustion of resources and pollution of the environment.

Equilibrium is a figment of the human imagination.

Theories without facts may be barren, but facts without theories are meaningless.

We should always bear in mind that numbers represent a simplification of reality.

The world moves into the future as a result of decisions, not as a result of plans. Plans are significant only insofar as they affect decisions.

If we saw tomorrow's newspaper today, tomorrow would never happen.

There is no such thing as economics, only social science applied to economic problems.

The future is bound to surprise us, but we don't have to be dumbfounded.

Don't you remember that love, like medicine, is only the art of encouraging nature?

Everyone should follow his predetermined path.

Friendship without self-interest is one of the rare and beautiful things of life.

To express what is the most moral, healthful and beautiful in art this is the mission of the dancer, and to this I dedicate my life.

I always make it a point to pick songs on which players really shine.

Pascal and C are special-purpose languages for manipulating the registers and memory of a von Neumann-style computer.

The first thing to understand about working with children's dreams is that adults need to listen up.

A beach walk is for stretching your legs and your mind, for looking at life with newfound eyes.

When people say, Did you always want to be a writer?, I have to say no! I always WAS a writer.

Symmetry is ennui, and ennui is the very essence of grief and melancholy. Despair yawns.