How are you going to teach virtue if you teach the relativity of all ethical ideas? Virtue, if it implies anything at all, implies an ethical absolute. A person whose idea of what is proper varies from day to day can be admired for his broadmindedness, but not for his virtue.

You go up the mountaintop and all you're gonna get is a great big heavy stone tablet handed to you with a bunch of rules on it.

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

From an endless beach of reality, we take a grain of sand and call it the world.

One could almost define life as the organized disobedience of the law of gravity. One could show that the degree to which an organism disobeys this law is a measure of its degree of evolution.

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

A culture that supports the dominance of social values over biological values is an absolutely superior culture to one that does not, and a culture that supports the dominance of intellectual values over social values is absolutely superior to one that does not.