Understanding arises from reducing one type of reality into another.

Scientific knowledge advances haltingly and is stimulated by contention and doubt.

How can my old photographs fail to create in me a feeling of emptiness and sorrow? They make me acutely aware that this second deprivation will be final this time.

Just as the individual is not alone in the group, nor anyone in society alone among the others, so man is not alone in the universe.

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.

The dogma of cultural relativism is challenged by the very people for whose moral benefit the anthropologists established it in the first place. The complaint the underdeveloped countries advance is not that they are being westernized, but that the westernization is proceeding too slowly.

The musical emotion springs precisely from the fact that at each moment the composer withholds or adds more or less than the listener anticipates on the basis of a pattern that he thinks he can guess, but that he is incapable of wholly divining. . . .