Philosophy, rightly defined, is simply the love of wisdom.
Rashness belongs to youth; prudence to old age.
So near is falsehood to truth that a wise man would do well not to trust himself on the narrow edge.
The people's good is the highest law.
The authority of those who teach is often an obstacle to those who want to learn.
Nature abhors annihilation.
The foundation of justice is good faith.
The life of the dead is placed in the memory of the living.
There are more men ennobled by study than by nature.
Those things are better which are perfected by nature than those which are finished by art.