Simplify the following text for a Grade 10 native English-speaking person.
Original: Christianity holds that the essential element of the commandment not to make `` any graven image , or any likeness of any thing that is in heaven above '' is `` and bow down and worship it '' .
Simplified: Many Christians say that a very important element of the commandment not to make `` any image , or any likeness of any thing that is in heaven above '' is `` and bow down and worship it '' .