When you are an anvil, hold you still; when you are a hammer, strike your fill.
More Romanian Proverbs:
physicians' faults are covered with earth.Romanian
Don't sell the bear's skin before you have caught him.
Romanian
Bound is he that gifts taketh.
Romanian
Spare well and have well.
Romanian
Truth may be blamed, but cannot be shamed.
Romanian
Old friends and old wine and old gold are best.
Romanian