Science is nothing but perception.

For though a man should be a complete unbeliever in the being of gods; if he also has a native uprightness of temper, such persons will detest evil in men; their repugnance to wrong disinclines them to commit wrongful acts; they shun the unrighteous and are drawn to the upright.

No one knows whether death may not be the greatest of all blessings for a man, yet men fear it as if they knew it was the greatest of evils.

There are three classes of men; lovers of wisdom, lovers of honor, and lovers of gain.

The most effective kind of education is that a child should play amongst lovely things.

Again, truth should be highly valued; if, as we were saying, a lie is useless to the gods, and useful only as a medicine to men, then the use of such medicines should be restricted to physicians; private individuals have no business with them.

Arithmetic has a very great and elevating effect, compelling the soul to reason about abstract number, and rebelling against the introduction of visible or tngible objects into the argument.