Do not be too moral. You may cheat yourself out of much life so.
Aim above morality.
Be not simply good;
be good for something.
All fables, indeed, have their morals; but the innocent enjoy the story. Let nothing come between you and the light. Respect men and brothers only. When you travel to the Celestial City, carry no letter of introduction. When you knock, ask to see God
Letters to Various Persons (ed. 1865)