If the world is to save any part of its resources for the future, it must reduce not only consumption but the number of consumers.

The speaker does not feel the grammatical rules he is said to apply in composing sentences, and men spoke grammatically for thousands of years before anyone knew there were rules.

The world's a poor standard. any society which is free of hunger and violence looks bright against that background.

I've often said that my rats have taught me much more than I've taught them.

I will be dead in a few months. But it hasn't given me the slightest anxiety or worry. I always knew I was going to die.

An important fact about verbal behavior is that speaker and listener may reside within the same skin.

Must we wait for selection to solve the problems of overpopulation, exhaustion of resources, pollution of the environment and a nuclear holocaust, or can we take explicit steps to make our future more secure? In the latter case, must we not transcend selection?