Validity Quotes

In retrospect I realize that the threat was about ego rather than the validity of the music.

No one knows anything about economics. It's the great lie of the economists. By contrast in football people might have contrasting opinions, each of which has some validity. But the economists always speak in conditionals - what a mess.

The only relevant test of the validity of a hypothesis is comparison of prediction with experience.

Only here, because of the illusion of intellectualism, our society separates the validity of human expression.

It is hard to know what you are talking about in mathematics, yet no one questions the validity of what you say. There is no other realm of discourse half so queer.