Science makes no claim to infallibility; it leaves that claim to be made by theologians.

Look underfoot. You are always nearer to the true sources of your power than you think. The lure of the distant and the difficult is deceptive. The great opportunity is where you are. Don't despise your own place and hour. Every place is the center of the world.

In the printed page the only real things are the paper and the ink; the white spaces play the same part in aiding the eye to take in the meaning of the print as do the black letters.

In what bold relief stand out the lives of all walkers of the snow! The snow is a great tell-tale, and blabs as effectually as it obliterates. I go into the woods, and know all that has happened. I cross the fields, and if only a mouse has visited his neighbor, the fact is chronicled.

Maybe that will happen with other countries as well. And so, that's why one of the things that groups like mine that work for the elimination of nuclear weapons and work for their marginalization in the meantime, we say you have to diminish the political value that's attached to nuclear weapons in order to give them less (kind of) desirability in the eyes of governments that do not now have them, and thus to help stop their spread.

Nature is not benevolent; Nature is just, gives pound for pound, measure for measure, makes no exceptions, never tempers her decrees with mercy, or winks at any infringement of her laws.

I came from a race of fishers; trout streams gurgled about the roots of my family tree.