If people would only talk about what they understood, Earth would be a very quiet place.

It is really a puzzle what drives one to take one's work so devilishly seriously.

The only source of knowledge is experience.

How can any educated person stay away from the Greeks? I have always been far more interested in them than in science.

Don't second guess the mistakes you've made, others will do that for you. Make things as simple as possible, but not simpler.

The illusion that we are separate from one another is an optical delusion of our consciousness.

Despite my being an old gypsy there is a tendency to respectability inherent in old age.