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

Love is metaphysical gravity.

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

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

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.

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

War is the ultimate tool of politics.

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

God, to me, it seems, is a verb not a noun, proper or improper.

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

God is a verb, not a noun.

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

Man knows so much and does so little.

Either war is obsolete, or men are.

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

Truth is a tendency.

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.

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

Let architects sing of aesthetics that bring Rich clients in hordes to their knees; Just give me a home, in a great circle dome Where stresses and strains are at ease.