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

In philosophy methods are unimportant; any method is legitimate if it leads to results capable of being rationally discussed.

In so far as a scientific statement speaks about reality, it must be falsifiable: and in so far as it is not falsifiable, it does not speak about reality.

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.

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.

Talk to each other. Never go to bed when you’re angry with each other. Lady Antonia Frasier who was married to Harold Pinter said they never went to bed on an argument.

If you need to invoke your academic pedigree or job title for people to believe what you say, then you need a better argument.

When you have the facts on your side, argue the facts. When you have the law on your side, argue the law. When you have neither, holler.

Prejudice, not being founded on reason, cannot be removed by argument.

Again the message to experimentalists is: Be sensible but don’t be impressed too much by negative arguments. If at all possible, try it and see what turns up. Theorists almost always dislike this sort of approach.

Kindness is very indigestible. It disagrees with very proud stomachs.

In a debate, rather pull to pieces the argument of thy antagonists than offer him any of thy own; for thus thou wilt fight him in his own country.

The great charm in argument is really finding one’s own opinions, not other people’s.