What goes around, comes around.
More German Proverbs:
Everything would be well were there not a "but."German
Eating and drinking holds body and soul together.
German
The higher flood hath always the lower ebb.
German
What you lose on the swings you gain on the roundabouts.
German
Brandy is as lead in the morning, silver at noon, and gold at night.
German
To-day for money, to-morrow for nothing.
German