Live together like brothers and do business like strangers.
More Arab Proverbs:
Diligence is the mother of good luck.Arab
Marriage is like a besieged fortress: those who are outside want to come in, and those already in want to be out.
Arab
Put things into their places, and they will put you into your place.
Arab
Fear not the man who fears God.
Arab
The angry hammer works off his fury on the steel.
Arab
If your neighbor visits Mecca once, watch out for him. If he makes a second visit, you had better avoid him. After the third visit you had better move to another street.
Arab