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The sun should not set upon our anger, neither should he rise upon our confidence. We should forgive freely, but forget rarely. I will not be revenged, and this I owe to my enemy; but I will remember, and this I owe to myself.

Charles Caleb Colton (1823). “Remarks on the Talents of Lord Byron and the Tendencies of Don Juan”, p.31
The sun should not set upon our anger, neither should he rise upon our confidence. We should forgive freely, but forget rarely. I will not be revenged, and this I owe to my enemy; but I will remember, and this I owe to