When you have recourse to divination, remember that you know not what the event will be, and you come to learn it of the diviner; but of what nature it is you know before you come, at least if you are a philosopher. For if it is among the things not in our own control, it can by no means be either good or evil. Don’t, therefore, bring either desire or aversion with you to the diviner (else you will approach him trembling), but first acquire a distinct knowledge that every event is indifferent and nothing to you., of whatever sort it may be, for it will be in your power to make a right use of it, and this no one can hinder…

— Epictetus