A doctrine serves no purpose in itself, but it is indispensable to have one if only to avoid being deceived by false doctrines.

It is only from the light which streams constantly from heaven that a tree can derive the energy to strike its roots deep into the soil. The tree is in fact rooted in the sky.

In what concerns divine things, belief is not appropriate. Only certainty will do. Anything less than certainty is unworthy of God.

No human being escapes the necessity of conceiving some good outside himself towards which his thought turns in a movement of desire, supplication, and hope.

The villagers seldom leave the village; many scientists have limited and poorly cultivated minds apart from their specialty.

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.

It may be that vice, depravity, and crime are nearly always, or even perhaps always, in their essence, attempts to eat beauty, to eat what we should only look at.