All the goods of this world...are finite and limited and radically incapable of satisfying the desire that perpetually burns within us for an infinite and perfect good.

The great error of nearly all studies of war... has been to consider war as an episode in foreign policies, when it is an act of interior politics.

Necessity is God's veil.

At the bottom of the heart of every human being, from earliest infancy until the tomb, there is something that goes on indomitably expecting, in the teeth of all experience of crimes committed, suffered, and witnessed, that good and not evil will be done

What a country calls its vital economic interests are not the things which enable its citizens to live, but the things which enable it to make war. Petrol is more likely than wheat to be a cause of international conflict.

One can never really give a proof of the reality of anything; reality is not something open to proof, it is something established. It is established just because proof is not enough. It is this characteristic of language, at once indispensable and inadequate, which shows the reality of the external world. Most people hardly ever realize this, because it is rare that the very same man thinks and puts his thought into action.

What a country calls its vital... interests are not things that help its people live, but things that help it make war.