In war, the army is not merely a pure consumer, but a negative producer.

Nothing is unthinkable, nothing impossible to the balanced person, provided it comes out of the needs of life and is dedicated to life's further development.

Misery, mutilation, destruction, terror, starvation and death characterize the process of war and form a principal part of the product.

Adding highway lanes to deal with traffic congestion is like loosening your belt to cure obesity.

Utopias rest on the fallacy that perfection is a legitimate goal of human existence.

War is a specific product of civilization.

The humanities and science are not in inherent conflict but have become separated in the twentieth century. Now their essential unity must be re-emphasized, so that twentieth-century multiplicity may become twentieth-century unity.