And when your sorrow is comforted (time soothes all sorrows) you will be content that you have known me. You will always be my friend. You will want to laugh with me. And you will sometimes open your window, so, for that pleasure . . . And your friends will be properly astonished to see you laughing as you look up at the sky! Then you will say to them, 'Yes, the stars always make me laugh!' And they will think you are crazy. It will be a very shabby trick that I shall have played on you.

One day, I watched the sun setting forty-four times......You know...when one is so terribly sad, one loves sunsets.

Using an artful tool does not make one a dry technician. It seems to me that people that are anxious about our technical advancement, confuse means and ends. Naturally a person that only works for material gain will not harvest something that is worth living for. But the machine is not an end in itself. The airplane is not an end. It is a tool. Just like the plough.

It is not for us to forecast the future, but to shape it.

Grown ups are certainly very strange.

There is no hope of joy except in human relations.

Freedom and constraint are two aspects of the same necessity, which is to be what one is and no other.