The 7 Habits of Highly Effective People (Stephen R. Covey) / quote 108 of 203
The serenity prayer
In this way, we do not empower these problems to control us. We share in the spirit embodied in the Alcoholics Anonymous prayer, “Lord, give me the courage to change the things which can and ought to be changed, the serenity to accept the things which cannot be changed, and the wisdom to know the difference.”