The articulate, trained voice is more distracting than mere noise.
Never to wrong others takes one a long way towards peace of mind.
Refuse to let the thought of death bother you: nothing is grim when we have escaped that fear.
Tis not the belly's hunger that costs so much, but its pride
Epicurus says that you should rather have regard to the company with whom you eat and drink, than to what you eat and drink.
When one has lost a friend one's eyes should be neither dry nor streaming. Tears, yes, there should be, but not lamentation.