Language is a form of human reason, which has its internal logic of which man knows nothing.

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.

Not all poisonous juices are burning or bitter nor is everything which is burning and bitter poisonous.

Our students wanted to know everything: but only the newest theory seemed to them worth bothering with. Knowing nothing of the intellectual achievements of the past, they kept fresh and intact their enthusiasm for 'the latest thing'. Fashion dominated their interest: they valued ideas not for themselves but for the prestige that they could wring from them.

I hate travelling and explorers

With all its technical sophistication, the photographic camera remains a coarse device compared to the human hand and brain.

For everything is history: What was said yesterday is history, what was said a minute ago is history. But, above all, one is led to misjudge the present, because only the study of historical development permits the weighing and evaluation of the interrelationships among the components of the present-day society.