“Those who promise us paradise on earth never produced anything but hell.”

Theology, I still think, is due to a lack of faith.

Science may be described as the art of systematic oversimplification.

The game of science is, in principle, without end.

The essential feature of dualist-interactionism is that the mind and brain are independent entities and that they interact by quantum physics.

“It can’t happen here” is always wrong: a dictatorship can happen anywhere.

A theory that explains everything, explains nothing.

If our civilization is to survive, we must break with the habit of deference to great men.

The simple truth is that truth is hard to come by, and that once found may easily be lost again.

The quest for precision is analogous to the quest for certainty, and both should be abandoned.

Every intellectual has a very special responsibility. He has the privilege and the opportunity of studying.

The aim of argument, or of discussion, should not be victory but progress.

If you can’t say it simply and clearly, keep quiet, and keep working on it till you can.

“We don’t know anything” and believed that this was the most important philosophical truth.

While differing widely in the various little bits we know, in our infinite ignorance we are all equal.

We can all participate in the heritage of man. We all can help to preserve it. And we can all make our own modest contribution to it.

We all have an unscientific weakness for being always in the right, and this weakness seems to be particularly common among professional and amateur politicians.

I personally would not have plastic surgery. What the hell for? It looks ridiculous.

Whatever the hell happens, say, ‘This is what I need.’

Jerry Falwell can go straight to hell – and I mean that in a Christian way.

I don’t think that work ever really destroyed anybody. I think that lack of work destroys them a hell of a lot more.

And I am still alive-what though, my damnation is eternal. A man who deliberately mutilates himself is truly damned, is he not? I believe that I am in hell, therefore I am.

Maybe I’ve dragged myself through the mud since then, but even mud hardens beneath your shoes. I must be standing on a mountain of it by now. And no one can touch me from way the hell up here.

Some men can get results if kindly encouraged, but give me the kind that do things in spite of hell.

Would that God would make hell so real to us that we cannot rest; Heaven so real that we must have men there.