The Lord sometimes allows people who are devoted to Him to fall into such dreadful vices; and this is in order to prevent them from falling into a still greater sin-pride. Your temptation will pass and you will spend the remaining days of your life in humility. Only do not forget your sin. Seraphim of Sarov
The stupid neither forgive nor forget; the naïve forgive and forget; the wise forgive but do not forget. Thomas Szasz
If you go to see the woman, do not forget the whip. Friedrich Nietzsche
Work is good provided you do not forget to live. Bantu Proverb
Sparrows, though they live to be a hundred, do not forget their dance. Japanese Proverb
When you climb the mountain and reach the top, do not forget the branches shrubs that helped your footing. South African Proverb