Men who are ruled by reason desire nothing for themselves which they would not wish for all mankind.

The highest activity a human being can attain is learning for understanding, because to understand is to be free.

He who regulates everything by laws, is more likely to arouse vices than reform them.

Schisms do not originate in a love of truth, which is a source of courtesy and gentleness, but rather in an inordinate desire for supremacy.

Freedom is absolutely necessary for the progress in science and the liberal arts.

He, who knows how to distinguish between true and false, must have an adequate idea of true and false.

A good thing which prevents us from enjoying a greater good is in truth an evil.