“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.

Heaven is the experience of being completely present to all that is, all that you are, and all that you have to give. Are you choosing to live in heaven or suffer in hell?

I never knew hell would be so spick-and-span.

All the gods, all the heavens, all the hells, are within you.

To terrify children with the image of hell, to consider women an inferior creation – is that good for the world?

According to the men of the world, few are going to hell; According to the Bible, few are going to heaven.

That preaching is sadly defective which dwells exclusively on the mercies of God and the joys of heaven, yet never sets forth the terrors of the Lord and the miseries of hell.

God will never send anybody to hell. If man goes to hell, he goes by his own free choice.

If there is in fact, a heaven and a hell, all we know for sure is that hell will be a viciously overcrowded version of Phoenix.