Solutions to tough problems should be made as simple as possible - and no simpler.

The only real valuable thing is intuition. The intellect has little to do on the road to discovery

I don't teach my students, I provide the circumstances in which they can learn.

Those instrumental goods which should serve to maintain the life and health of all human beings should be produced by the least possible labour of all.

But the creative principle resides in mathematics. In a certain sense, therefore, I hold true that pure thought can grasp reality, as the ancients dreamed.

I like to experience the universe as one harmonious whole. Every cell has life. Matter, too, has life; it is energy solidified. Our bodies are like prisons, and I look forward to be free, but I don't speculate on what will happen to me. I live here now, and my responsibility is in this world now.

Subtle is the Lord. Malicious, He is not.