One hand washes the other and both wash the face.
More Greek Proverbs:
Old men are twice children.Greek
You must keep quiet or say only things that improve silence.
Greek
Nature has given us two ears, two eyes, and but one tongue; to the end we should hear and see more than we speak.
Greek
If you wish to be good, first believe that you are bad.
Greek
It is useless to knock at the door of a deaf man.
Greek
The frog wanted to be an ox and swelled up until he burst.
Greek