I believe the answer is that 'only a person's good deeds remain with him or her in the afterlife'. It is important to be a good person and do good, and everything else is fleeting, it will disappear. But you will be awarded for your good deeds.
Answer:
deception
Explanation:
it was his key ️ to their minds and heart<em><u> </u></em><em><u>but </u></em><em><u>they </u></em> did not know