You either make sense or you make money.

The earth is like a spaceship that didn't come with an operating manual.

If you want to teach people a new way of thinking, don't bother trying to teach them. Instead, give them a tool, the use of which will lead to new ways of thinking.

Human beings were given a left foot and a right foot to make a mistake first to the left, then to the right, left again and repeat.

The Universe consists of non-simultaneously apprehended events.

For at least 2,000,000 years men have been reproducing and multiplying on a little automated spaceship called earth.

If man chooses oblivion, he can go right on leaving his fate to his political leaders. If he chooses Utopia, he must initiate an enormous education program - immediately, if not sooner.