The image of the frontier is probably one of the oldest images of mankind, and it is not surprising that we should find it hard to get rid of.

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.

Never concede to evil…. When we concede to evil, even in a small way, we feed it, and it grows stronger.

Some people seem to be born to suffer.

The "second sight" possessed by the Highlanders in Scotland is actually a foreknowledge of future events. I believe they possess this gift because they don't wear trousers.

I am an American aquarium drinker.

I had a survey done on my house. 8 out of 10 people said they really rather liked it

This act will leave a moral blot on his presidency

My goal as a puzzle designer is to create a meaningful experience for the player, not just 'I solved it,'

See you soon (but not soon enough).

The peculiar dignity of men seen eating alone in restaurants on national holidays

Acting from the appropriateness of the heart, we are freed from the neediness of the mind.