you have the power of patience to deal with your difficulties. - Epictetus

It is one thing to put bread and wine away in a store-room, and quite another to eat them. What is eaten is digested and distributed around the body, to become sinews, flesh, bones, blood, a good complexion, sound breathing. What is stored away is ready at hand, to be sure, to be taken out and displayed whenever you wish, but you derive no benefit from it, except that of having the reputation of possessing it.

[I]f you gape after externals, you must of necessity ramble up and down in obedience to the will of your master. And who is the master? He who has the power over the things which you seek to gain or try to avoid.

Ask not that events should happen as you will, but let your will be that events should happen as they do, and you shall have peace.