The most mature human insight comes from one's introspection rather than from exterior research.

Life begins when you do.

This country is a one-party country. Half of it is called Republican and half is called Democrat. It doesn't make any difference. All the really good ideas belong to the Libertarians.

I've always thought that the stereotype of the dirty old man is really the creation of a dirty young man who wants the field to himself.

We are a one party country. Half of them call themselves Democrats and the other half call themselves Republicans. All the good ideas come from the Libertarians.

Television is the medium of the 20th century.

How many times has the end of the world been predicted? The same number of times the prediction has proved false.