In the great drama of existence we are audience and actors at the same time.

A physicist is just an atom's way of looking at itself.

Everything we call real is made of things that cannot be regarded as real.

If quantum mechanics hasn't profoundly shocked you, you haven't understood it yet.

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

When we measure something we are forcing an undetermined, undefined world to assume an experimental value. We are not measuring the world, we are creating it.

I go into the Upanishads to ask questions.

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

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

Nothing exists until it is measured.

No, no, you're not thinking; you're just being logical.

Through writing, an author opens the window of his heart through which a reader can see the inner self of the author.

Don’t worry, pray!

Books are in the mind, Grandfather Alessandro said. Too many books and you forget your body is in the world.

You may think just a windowBut you overtook my soul.You are not just a whisper, You are louder than my soul. (from poem Chimera)

Nature had found the perfect place to hide the yellow fever virus. It seeded itself and grew in the blood, blooming yellow and running red.

Who taught that heaven-directed spire to rise?

It is useful to constantly observe, note, and consider.

You are keeping the possibility [of peace] open. No wise leader would do anything less

We must study as hard how to live well as how to preach well.

I understand what it's like to go to hospitals and there's no medicine, and the best thing you have to give the patients is compassion.