Thus the recent rapid evolution of human intelligence is not only the cause of but also the only conceivable solution to the many serious problems that beset us.

I would love to believe that when I die I will live again, that some thinking, feeling, remembering part of me will continue.

The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.

Clutching our crystals and religiously consulting our horoscopes, our critical faculties in steep decline, unable to distinguish between what's true and what feels good, we slide, almost without noticing, into superstition and darkness.

What's the harm of a little mystification? It sure beats boring statistical analyses.

Ask courageous questions. Do not be satisfied with superficial answers.

If we continue to accumulate only power and not wisdom, we will surely destroy ourselves.