Enthusiastic partisans of the idea of progress are in danger of failing to recognize the immense riches accumulated by the human race. By underrating the achievements of the past, they devalue all those which still remain to be accomplished.
Claude Levi-StraussThe scientist is not a person who gives the right answers, he is one who asks the right questions.
Claude Levi-StraussThere is today a frightful disappearance of living species, be they plants or animals. And it's clear that the density of human beings has become so great, if I can say so, that they have begun to poison themselves. And the world in which I am finishing my existence is no longer a world that I like.
Claude Levi-Strauss