Anyone can repeat a technical explanation they read in a text-book or blog post.

There could be no greater calamity than a permanent discord between us and the Arab people. Despite the great wrong that has been done us, we must strive for a just and lasting compromise with the Arab people Let us recall that in former times no people lived in greater friendship with us than the ancestors of these Arabs.

The aim of science is, on the one hand, as complete a comprehension as possible of the connection between perceptible experiences in their totality, and, on the other hand, the achievement of this aim by employing a minimum of primary concepts and relations.

The leaves and the light are one.

To one bent on age, death will come as a release. I feel this quite strongly now that I have grown old myself and have come to regard death like an old debt, at long last to be discharged.

That which is impenetrable to us really exists. Behind the secrets of nature remains something subtle, intangible, and inexplicable. Veneration for this force beyond anything that we can comprehend is my religion.

I came to America because of the great, great freedom which I heard existed in this country. I made a mistake in selecting America as a land of freedom, a mistake I cannot repair in the balance of my lifetime.