Only one thing can conquer war - that attitude of mind which can see nothing in war but destruction and annihilation.

To defeat the aggressors is not enough to make peace durable. The main thing is to discard the ideology that generates war.

War... is harmful, not only to the conquered but to the conqueror.

War can really cause no economic boom, at least not directly, since an increase in wealth never does result from destruction of goods.

The philosophy of protectionism is a philosophy of war.

Economically considered, war and revolution are always bad business.