The spirit of man can endure only so much and when it is broken only a miracle can mend it.

The United States says "We're complying. We're following the disarmament obligation. Look at the quantitative reductions that are taking place." But, since '96, there really hasn't been progress on specific commitments that have been made. Perhaps most disturbing is this: that the United States and France in particular, since 1996, have expanded the range of circumstances under which they might use - they say they might use - nuclear weapons.

I am not going to advocate ... the abandoning of the improved modes of travel; but I am going to brag as lustily as I can on behalf of the pedestrian, and show how all the shining angels second and accompany the man who goes afoot, while all the dark spirits are ever looking out for a chance to ride.

It is always easier to believe than to deny. Our minds are naturally affirmative.

Nature teaches more than she preaches. There are no sermons in stones. It is easier to get a spark out of a stone than a moral.

We've been in a period of relative stability and cooperation since the end of the Cold War among the world's major powers, but that may not always exist. And certainly one could even predict that there will be periods of hostility or tension ahead.

I am in love with this world. It has been my home. It has been my point of outlook into the universe. I have never bruised myself against it nor tried to use it ignobly.