One Arab oil sheik urgently needed a blood transfusion.
Sheik has a very rare blood type and was found in only one Jew. that
He agreed, they made a transfusion, for which the Arab gave the Jew a house and a car.
A year later the same story - urgent need of blood. Jews are happy to run.
A blood transfusion facility for which an Arab Sheikh gives a box to a Jew
and cookies.
The Jew is surprised:
But last time you gave me a house and a car!
and Arabic:
There was no Jewish blood in me.