The most precious things of life are near at hand, without money and without price. Each of you has the whole wealth of the universe at your very door. All that I ever had, and still have, may be yours by stretching forth your hand and taking it.

I seldom go into a natural history museum without feeling as if I were attending a funeral.

One can only learn his powers of action by action, and his powers of thought by thinking

If we take science as our sole guide, if we accept and hold fast that alone which is verifiable, the old theology must go.

The sunbeams are welcome now. They seem like pure electricity—like friendly and recuperating lightning. Are we led to think electricity abounds only in summer, when we see in the storm-clouds as it were, the veins and ore-beds of it? I imagine it is equally abundant in winter, and more equable and better tempered. Who ever breasted a snowstorm without being excited and exhilarated, as if this meteor had come charged with latent auroræ of the North, as doubtless it has? It is like being pelted with sparks from a battery.

Serene, I fold my hands and wait, Nor care for wind, nor tide, nor sea; I rave no more 'gainst time or fate, For lo! my own shall come to me.

There tends to be this comfortable assumption that nuclear weapons won't be used, but I don't think that's warranted, and I think we should seize the opportunity of this time of stability and cooperation and move towards global elimination of nuclear weapons as indeed people like Henry Kissinger, and William Perry, former Secretary of Defense under Clinton, and Sam Nunn, former Senator, and George Schultz, former Undersecretary of State for Ronald Reagan. All of them recently called for achievement of a nuclear weapon-free world.