Jack, a smart businessman, talks to his son.
Jack: «I want you to marry a girl of my choice»
Son: «I will choose my own bride!»
Jack: «But the girl is Bill Gatess daughter.»
Son: «Well, in that case…»

Next Jack approaches Bill Gates.
Jack: «I have a husband for your daughter.»
Bill Gates: «But my daughter is too young to marry!»
Jack: «But this young man is a vice-president of the World Bank.»
Bill Gates: «Ah, in that case…»

Finally Jack goes to see the president of the World Bank.

Jack: «I have a young man to be recommended as a vice-president.»
President: «But I already have more vice- presidents than I need!»
Jack: «But this young man is Bill Gatess son-in-law.»
President: «Ah, in that case…»