Paul Dirac

Pick a flower on Earth and you move the farthest star.

The methods of theoretical physics should be applicable to all those branches of thought in which the essential features are expressible with numbers.

I do not see how a man can work on the frontiers of physics and write poetry at the same time. They are in opposition.

We define ourselves as intelligent. That's odd, because we're doing the definition - We're creating our own definition and saying, 'We are intelligent!'

Recently, I was in Bernalda, my dad's ancestral home town in Italy. He has just refurbished a palazzo and turned it into a hotel, so we had my sister's wedding there. It was beautiful.

Before I die, I will preach to the Muslims in the Arab world. I will preach in Egypt, Lebanon, Syria and Iran. I will preach in Tehran. I will do it under the umbrella of God. And see its impact.