Uncertainty is the prerequisite to gaining knowledge and frequently the result as well.

sooner or later, if the activity of the mind is restricted anywhere it will cease to function even where it is allowed to be free.

The Greeks were the first intellectualists. In a world where the irrational had played the chief role, they came forward as the protagonists of the mind.

Reality has actually very little to do with truth; there is no necessary connection between the two.

Christ must be rediscovered perpetually.

When the freedom they wished for most was freedom from responsibility, then Athens ceased to be free and was never free again.

The easy way has never in the long run commanded the allegiance of mankind.