sanity and insanity. It seems that one's ability to draw this line in any actual situation is connected with the fact that one can take what one is doing seriously without at the same time taking oneself too seriously.

It is not easy to explain why people take things seriously. If one thinks deeply and objectively about anything, even life itself, it can appear trivial. One can argue that our actions make a negligible difference to a universe that is billions of years old and a billion light years in diameter. But such thinking is somehow irrelevant to the way humans act. I am aware of the immensity of the cosmos and yet I can take things seriously. So can you.

I do not want to imply that I have no sense of values, and that everything is of equal importance to me. Some kinds of pursuits and exploits that I could have at one time put my heart into, now seem unimportant to me, but other, perhaps somewhat more channeled interests, have appeared in their place. I do not know what will capture my devotion in the future, but from past experience I have some confidence that it will be caught.

For you, I hope that there is another domain that will attract you. Throughout one's life, one sees the perpetuation of innumerable injustices in human acts, both at home and abroad. Usually, one feels powerless to do anything about them, but I recommend to you that when an opportunity to intervene for justice arises, either for you alone or in concert with others, you take these opportunities seriously and consider them important.

I have gone a little astray from my main purpose tonight, which was merely to remind you that you have a long life ahead of you and to say that I hope it will he a good one. I have talked about just one small aspect of how you live your life, but I think it is an aspect over which you have some measure of control and also one that you might not have been aware of. I recommend that you be willing to become deeply involved in lots and lots of things and that you let yourself, perhaps even force yourself, to do the things that you think are important and that you can take seriously.

I make this recommendation to you because I believe that if you do, then even in the face of considerable adversity you will feel, as I do now, grateful for having lived.