What I know for sure is what you give comes back to you. Oprah Winfrey
My wind is turned to bitter north, That was so soft a south before; My sky, that shone so sunny bright, With foggy gloom is clouded o'er My gay green leaves are yellow-black, Upon the dank autumnal floor; For love, departed once, comes back No more again, no more. Arthur Hugh Clough
Fame opportunely despised often comes back redoubled. Livy
A bad penny always comes back. German Proverb
Truth comes back where she has once visited. English Proverb
Blessed is the moon; it goes but it comes back again. Samoan Proverb