Remind thyself that he whom thou lovest is mortal — that what thou lovest is not thine own; it is given thee for the present, not irrevocably nor for… - Epictetus

For my part, I can say, ‘bring what challenge you please and I will turn it to good account: bring illness, death, poverty, slander, a judgement of death: they will all be converted to advantage by my wand of Hermes.

When you desire something outside your sphere of power, you set yourself up for disappointment

"If you do not wish to be prone to anger, do not feed the habit; give it nothin which may tend to its increase. At first, keep quiet and count the days when you were not angry: "I used to be angry every day, then every other day: next, every two, then every three days!" and if you succeed in passing thirty days, sacrifice to the gods in thanksgiving."