The real sadness of fifty is not that you change so much but that you change so little.

Do not confuse your vested interests with ethics. Do not identify the enemies of your privilege with the enemies of humanity.

Of the many things we have done to democracy in the past, the worst has been the indignity of taking it for granted.

In our rich consumers' civilization we spin cocoons around ourselves and get possessed by our possessions.

When you are seventeen you aren't really serious.

The tourist who moves about to see and hear and open himself to all the influences of the places which condense centuries of human greatness is only a man in search of excellence.

The so-called lessons of history are for the most part the rationalizations of the victors. History is written by the survivors.