"Thou wilt cease to live, not with a worse life, but with a life that is no life."

"Choose not to be harmed—and you won't feel harmed. Don't feel harmed—and you haven't been."

"The present is the only thing of which a man can be deprived, if it is true that this is all he has and that he cannot lose what he does not possess."

"Consider how much more pain is brought on us by the anger and vexation caused by such acts than by the acts themselves, at which we are angry and vexed."

"When you have done a good deed and another has received it, why do you still ask for a third thing, as fools do, namely, that you may be thought to have done a good deed or that you may be rewarded?"