The king spoke kindly to the man and said to another, 'How can a man worthily pay the debt of gratitude to his parents?' And he said, 'By never causing them pain, and this is not possible unless God dispose the mind to the pursuit of the noblest ends.'
The king expressed agreement and asked the next How he could become an eager listener? And he said, 'By remembering that all knowledge is useful, because it enables you by the help of God in a time of emergency to select some of the things which you have learned and apply them to the crisis which confronts you. And so the efforts of men are fulfilled by the assistance of God.'