The trouble with taxonomic boxes is... that that they tend to be empty, however beautiful they are on the outside.

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.

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

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.

Each person in your life is a teacher, each experience in your life is a lesson. Living is like looking into a mirror, every teacher is you.

The National Guard fulfills the militia mentioned in the Second amendment. Citizens no longer need to protect the states or themselves.

Since it is the practice of enlightenment, that practice has no beginning and since it is enlightenment within the practice, that realization has no end.

Crowbars give you that personal touch you don't get with gun-killin'.

I didn't pay as much attention in school as I would have liked to.

Enthusiasm is more important than innate ability, it turns out, because the single more important element in developing an expertise is your willingness to practice.

I have always had a tremendous amount of energy and any band I was ever in from the age of fourteen, I would always be the one who would describe the future and vibe everyone up.

Anything that makes you happy can make you sad.

One must think until it hurts. One must worry a problem in one's mind until it seems there cannot be another aspect of it that hasn't been considered.

It isn't hard to be in a relationship because I've always loved to be in a relationship, and I love to be in love.