I urge a willingness to reserve a place in rational science for non-rational wonder.

You can't use an old map to explore a new world.

I hate crowds and making speeches. I hate facing cameras and having to answer to a crossfire of questions. Why popular fancy should seize upon me, a scientist, dealing in abstract things and happy if left alone, is a manifestation of mass psychology that is beyond me.

What is this frog and mouse battle among the mathematicians?

Vegetarian food leaves a deep impression on our nature. If the whole world adopts vegetarianism, it can change the destiny of humankind.

Inner freedom is an infrequent gift of nature and a worthy object for the individual.

Numerous are the academic professors, but rare are wise and noble teachers.