The main fuel to speed the world's progress is our stock of knowledge, and the brake is our lack of imagination.

The increase in the world's population represents our victory over death.

The main fuel to speed the world's progress is our stock of knowledge, and the brake is our lack of imagination.

Letting the religious right teach ID in schools is like letting the Marines teach poetry in advanced combat training. As a scientist, I see these the relevancy between the two sets to be equal. If Kansas is going to mess up like this, the least it can do is not be hypocritical and allow equal time for other alternative "theories" like FSMism, which is by far the tastier choice.

We now have in our hands—really, in our libraries—the technology to feed, clothe, and supply energy to an ever-growing population for the next seven billion years.

There is only one important resource which has shown a trend of increasing scarcity rather than increasing abundance. That resource is the most important of all—human beings. . . . [An] increase in the price of peoples’ services is a clear indication that people are becoming more scarce even though there are more of us.

Human beings create more than they destroy.