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.

Natural history is a matter of observation; it is a harvest which you gather when and where you find it growing. Birds and squirrels and flowers are not always in season, but philosophy we have always with us. It is a crop which we can grow and reap at all times and in all places and it has its own value and brings its own satisfaction.

How beautiful the leaves grow old. How full of light and color are their last days.

The lesson which life repeats and constantly enforces is 'look under foot.' You are always nearer the divine and the true sources of your power than you think.

Happiness comes most to persons who seek it least and think least about it. It is not an object to be sought, it is a state to be induced. It must follow and not lead. It must overtake you, and not you overtake it.

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

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.