Simplify the following text for a Grade 4 native English-speaking person.
Original: Figures of Earth tells the story of Manuel the swineherd , a scoundrel who rises to conquer a realm by playing on others ' expectations -- his motto Mundus Vult Decipi , meaning `` the world wishes to be deceived '' .
Simplified: His motto is Mundus Vult Decipi . This means ` the world wishes to be deceived ' .