Why, for example, should a group of simple, stable compounds of carbon, hydrogen, oxygen, and nitrogen struggle for billions of years to organize themselves into a professor of chemistry? What's the motive?

And what is good, Phaedrus, And what is not good— Need we ask anyone to tell us these things?

A person isn't considered insane if there are a number of people who believe the same way. Insanity isn't supposed to be a communicable disease. If one other person starts to believe him, or maybe two or three, then it's a religion.

The past exists only in our memories, the future only in our plans. The present is our only reality.

When you've got a Chautauqua in your head, it's extremely hard not to inflict it on innocent people.

The number of hypotheses available to explain any given phenomenon is infinite.

Like those in the valley behind us, most people stand in sight of the spiritual mountains all their lives and never enter them, being content to listen to others who have been there and thus avoid the hardships.