I'm not a genius. I'm just a tremendous bundle of experience.

Parents are usually more careful to bestow knowledge on their children rather than virtue, the art of speaking well rather than doing well; but their manners should be of the greatest concern.

When I am working on a problem, I never think about beauty but when I have finished, if the solution is not beautiful, I know it is wrong.

Love is metaphysical gravity.

We are called to be architects of the future, not its victims.

God is a verb, not a noun.

Tension is the great integrity.

I just invent, then wait until man comes around to needing what I've invented.

Humanity is acquiring all the right technology for all the wrong reasons.

Man knows so much and does so little.

I look for what needs to be done. After all, that's how the universe designs itself.

How often I found where I should be going only by setting out for somewhere else.

There is nothing in a caterpillar that tells you it's going to be a butterfly.

Nature is trying very hard to make us succeed, but nature does not depend on us. We are not the only experiment.

Pollution is nothing but the resources we are not harvesting. We allow them to disperse because we've been ignorant of their value.

The end move in politics is always to pick up a gun.

War is the ultimate tool of politics.

By 2000, politics will simply fade away. We will not see any political parties.

Truth is a tendency.

Sometimes I think we're alone. Sometimes I think we're not. In either case, the thought is staggering.

We are not going to be able to operate our Spaceship Earth successfully nor for much longer unless we see it as a whole spaceship and our fate as common. It has to be everybody or nobody.

The most important thing about Spaceship Earth - an instruction book didn't come with it.

Faith is much better than belief. Belief is when someone else does the thinking.