An expert is a person who has found out by his own painful experience all the mistakes that one can make in a very narrow field.
Anyone who is not shocked by quantum theory has not understood it.
Every sentence I utter must be understood not as an affirmation but as a question.
Every valuable human being must be a radical and a rebel, for what he must aim at is to make things better than they are.
Everything we call real is made of things that cannot be regarded as real.
Horseshoes have a way of bringing you luck even when you don't believe in them.
How wonderful that we have met with a paradox. Now we have some hope of making progress.
It is a great pity that human beings cannot find all of their satisfaction in scientific contemplativeness.
It is not enough to be wrong, one must also be polite.
Never express yourself more clearly than you are able to think.
Opposites are complementary.
Predictions can be very difficult- especially about the future.
Some subjects are so serious that one can only joke about them.
The language of religion is more closely related to the language of poetry than to the language of science.
Two sorts of truth: profound truths ?recognized by the fact that the opposite is also a profound truth,? in contrast to trivialities where opposites are obviously absurd.
We are all agreed that your theory is crazy. The question that divides us is whether it is crazy enough to have a chance of being correct.
We are suspended in language in such a way that we cannot say what is up and what is down.
When it comes to atoms, language can be used only as in poetry.
When searching for harmony in life, one must never forget that in the drama of existence we are ourselves both actors and spectators.
Found 19 occurence(s) in 51,825 quotation(s).