There is something worse than a hydra: the pain of an angry wife. - Seneca

People are frugal in guarding their personal property; but as soon as it comes to squandering time they are most wasteful of the one thing in which it is right to be stingy.

Much must also be withdrawn into oneself: for a well-composed conversation of differences disturbs and renews the affections, and infuriates whatever is weak in the mind and has not been cared for...
Loneliness will cure the hatred of the crowd, the boredom of solitude will be cured by the crowd.
... A certain dullness and languor of the mind is born from constant toil.
...Nor would the desire of men so much tend to this, unless play and fun had a kind of natural voluptuousness. The frequent use of which will relieve all the weight of the soul and all the vigor.
For sleep is also necessary for refreshment, but if you continue it day and night, death will result.

And this is the vote which [Cato] casts concerning them both: “If Caesar wins, I slay myself; if Pompey, I go into exile.” What was there for a man to fear who, whether in defeat or in victory, had assigned to himself a doom which might have been assigned to him by his enemies in their utmost rage? So he died by his own decision.