Life is a battle between faith and reason in which each feeds upon the other, drawing sustenance from it and destroying it.
Man's capacity for justice makes democracy possible, but man's inclination to injustice makes democracy necessary.
The final wisdom of life requires not the annulment of incongruity but the achievement of serenity within and above it.
Nothing we do, however virtuous, can be accomplished alone; therefore we are saved by love.
The sad duty of politics is to establish justice in a sinful world.
There are historic situations in which refusal to defend the inheritance of a civilization, however imperfect, against tyranny and aggression may result in consequences even worse than war.
Original sin is that thing about man which makes him capable of conceiving of his own perfection and incapable of achieving it.
Our age knows nothing but reaction, and leaps from one extreme to another.
The mastery of nature is vainly believed to be an adequate substitute for self mastery.
Nothing that is worth doing can be achieved in a lifetime; therefore we must be saved by hope.