“I go into the Upanishads to ask questions.”

The meaning of life consists in the fact that it makes no sense to say that life has no meaning.

The best weapon of a dictatorship is secrecy, but the best weapon of a democracy should be the weapon of openness.

It is a great pity that human beings cannot find all of their satisfaction in scientific contemplativeness.

There are two sorts of truth: trivialities, where opposites are clearly absurd, and profound truths, recognised by the fact that the opposite is also a profound truth.

If an idea does not appear bizarre, there is no hope for it.

How wonderful that we have met with a paradox. Now we have some hope of making progress.

Address to Albert Einstein: You are not thinking. You are merely being logical.

When it comes to atoms, language can be used only as in poetry.

There are some things so serious you have to laugh at them.

One must always do what one really cannot.

There is no hope for any speculation that does not look absurd at first glance.

The opposite of a fact is falsehood, but the opposite of one profound truth may very well be another profound truth.

If anybody says he can think about quantum physics without getting giddy, that only shows he has not understood the first thing about them.

If we couldn’t laugh at ourselves, that would be the end of everything.

An expert is a man who has made all the mistakes which can be made, in a narrow field.

Physics is the belief that a simple and consistent description of nature is possible.

Bad books engender bad habits, but bad habits engender good books.

We don’t truly know anyone or everything if we did, we wouldn’t need books.

The reading of all good books is like conversation with the finest men of past centuries.

Beware the man of a single book.

She was a open book, what a shame it was that most men were illiterate.

How is it that you can love somebody even more with time? Because the longer the story, my love, the more you fill the book.

Stardust collected was found in the crumpled pages of my books, for I travelled in all the realms through them.

Let us pick up our books and our pens, they are the most powerful weapons.