What is the thread of western civilization that distinguished its course in history? It has to do with the preoccupation of western man with his outward command and his sense of superiority.

We have today a fairly thorough knowledge of the early Greco-Roman period because our motivations are the same.

No phenomenon can be isolated, but has repercussions through every aspect of our lives. We are learning that we are a fundamental part of nature's ecosystems.

I plead for conservation of human culture, which is much more fragile than nature herself. We needn't destroy other cultures with the force of our own.

No phenomenon can be isolated, but has repercussions through every aspect of our lives. We are learning that we are a fundamental part of nature's ecosystems.