The significant problems we have cannot be solved at the same level of thinking with which we created them.

In scientific thinking are always present elements of poetry. Science and music requires a thought homogeneous.

I assert that the cosmic religious experience is the strongest and the noblest driving force behind scientific research.

The physicists say that I am a mathematician, and the mathematicians say that I am a physicist. I am a completely isolated man and though everybody knows me, there are very few people who really know me.

A world government with powers adequate to guarantee security is not a remote ideal for the distant future. It is an urgent necessity if our civilization is to survive.

People will not disarm step by step; they will disarm at one blow or not at all.

One scientific epoch ended and another began with James Clerk Maxwell.