Wisdom is found only in truth.

At all times it has not been the age, but individuals alone, who have worked for knowledge. It was the age which put Socrates to death by poison, the age which burnt Huss. The ages have always remained alike.

Thought expands, but paralyzes; action animates, but narrows.

Our virtues and view spring from one root.

If you wish a wise answer, you must put a rational question.

The deepest, the only theme of human history, compared to which all others are of subordinate importance, is the conflict of skepticism with faith.

It makes no good to point the failures out without showing at the same time the remedy to address them.