The Serenity Prayer
"God grant me the serenity to accept the things I cannot change,
Courage to change the things I can,
And the wisdom to know the difference."
Reinhold Niebuhr (1892 - 1971) (Theologian and Professor)
This is the most popular version of The Serenity Prayer, and while Reinhold Niebuhr wrote the original version, this version's authorship is unresolved.
To learn more, please click on https://en.wikipedia.org/wiki/Reinhold_Niebuhr and https://en.wikipedia.org/wiki/Reinhold_Niebuhr