[To the cultures of Asia and the continent of Africa] it is the Western impact which has stirred up the winds of change and set the processes of modernization in motion. Education brought not only the idea of equality but also another belief which we used to take for granted in the West-the idea of progress, the idea that science and technology can be used to better human conditions. In ancient society, men tended to believe themselves fortunate if tomorrow was not worse than today and anyway, there was little they could do about it.

We have forgotten how to be good guests, how to walk lightly on the earth as its other creatures do.

It is only when people begin to shake loose from their preconceptions, from the ideas that have dominated them, that we begin to receive a sense of opening, a sense of vision...That is the sort of time we live in now. We...live in an epoch in which the solid ground of our preconceived ideas shakes daily under our uncertain feet.

It is a fact of history that those who seek to withdraw from its great experiments usually end up being overwhelmed by them.

There is no human failure greater than to launch a profoundly important endeavour and then leave it half done.

man's oldest and least reputable occupation - war.

Jews were the first to believe that history itself has meaning and that progress, not repetition, is the law of life.