In a disordered mind, as in a disordered body, soundness of health is impossible.

A wise man does nothing by constraint.

Hatred is settled anger.

According to the law of nature it is only fair that no one should become richer through damages and injuries suffered by another.

Leisure consists in all those virtuous activities by which a man grows morally, intellectually, and spiritually. It is that which makes a life worth living.

How great an evil do you see that may have been announced by you against the Republic? - Videtis quantum scelus contra rem publicam vobis nuntiatum sit?

As I give thought to the matter, I find four causes for the apparent misery of old age; first, it withdraws us from active accomplishments; second, it renders the body less powerful; third, it deprives us of almost all forms of enjoyment; fourth, it stands not far from death.