Truth is the beginning of every good to the gods, and of every good to man.
Those whose hearts are fixed on Reality itself deserve the title of Philosophers.
If in a discussion of many matters ... we are not able to give perfectly exact and self-consistent accounts, do not be surprised: rather we would be content if we provide accounts that are second to none in probability.
Any man may easily do harm, but not every man can do good to another.
Complacent ignorance is the most lethal sickness of the soul
Let parents bequeath to their children not riches, but the spirit of reverence.