Joy in the universe, and keen curiosity about it all - that has been my religion.

....success in walking is not to let your right foot know what your left foot doeth. Your heart must furnish such music that in keeping time to it your feet will carry you around the globe without knowing it.

There is an international treaty framework for this. It's the Nuclear Non-Proliferation Treaty (NPT). Most countries in the world are members of the treaty.

Man is, and always has been, a maker of gods. It has been the most serious and significant occupation of his sojourn in the world.

One summer day, while I was walking along the country road on the farm where I was born, a section of the stone wall opposite me, and not more than three or four yards distant, suddenly fell down. Amid the general stillness and immobility about me the effect was quite startling. ... It was the sudden summing up of half a century or more of atomic changes in the material of the wall. A grain or two of sand yielded to the pressure of long years, and gravity did the rest.

The thing that I focus on because I don't think it gets enough attention is that among the world's major powers, there is still a nuclear balance of terror - I'm talking about between the United States and Russia, the United States and China.

Blessed is the man who has some congenial work, some occupation in which he can put his heart, and which affords a complete outlet to all the forces there are in him.