A few vices are sufficient to darken many virtues.
What we achieve inwardly will change outer reality.
Custom is almost a second nature.
Nothing can produce so great a serenity of life as a mind free from guilt and kept untainted, not only from actions, but purposes that are wicked. By this means the soul will be not only unpolluted but also undisturbed. The fountain will run clear and unsullied.
It is a hard matter, my fellow citizens, to argue with the belly, since it has no ears.
A fool cannot hold his tongue.