Riddle: A dying king told his two sons that the one's whose horse got to Mecca last would inherit his kingdom. At first the two boy's tried to ride as slowly as possible towards Mecca. That night they stayed at the local inn. They told the innkeeper their dilemna and he spoke two words to them. The next morning the boy's were racing as fast as they could to Mecca. What had the innkeeper told them? Remember: two words!