The world began without man, and it will end without him.
Just as the individual is not alone in the group, nor any one in society alone among the others, so man is not alone in the universe.
Being human signifies, for each one of us, belonging to a class, a society, a country, a continent and a civilization; and for us European earth-dwellers, the adventure played out in the heart of the New World signifies in the first place that it was not our world and that we bear responsibility for the crime of its destruction.
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.