Oh, God, give us courage to change what must be altered, serenity to accept what can not be helped, and insight to know the one from the other. Serenity PrayerThe Serenity Prayer is an invocation by the petitioner for wisdom to understand the difference between circumstances ("things") that can and cannot be changed, asking courage to take action in the case of the former, and serenity to accept in the case of the latter.https://en.wikipedia.org/wiki/Serenity_Prayer