The play of conflicting interests in a framework of shared purposes is the drama of a free society. It is a robust exercise, and often a noisy one. It is not for the faint-hearted, or the tidy-minded.

A prime function of a leader is to keep hope alive.

One of the reasons people stop learning is that they become less and less willing to risk failure.

Our problem is not to find better values but to be faithful to those we profess.

There is no learning without some difficulty and fumbling. If you want to keep on learning, you must keep on risking failure-all your life.

It is one of the ironies of history that reformers so often misjudge the consequences of their reforms.

In the United States, to an unprecedented degree, the individual's social role has come to be determined not by who he is but by what he can accomplish.