Simplify the following text for a Grade 10 native English-speaking person.
Original: The Latin inscription on the reverse of the medallionâ '' firmitas , utilitas , venustas ( English : durability , utility , and beauty ) â '' is inspired by Roman architect Vitruvius .
Simplified: The back of the medal has these words in Latinâ '' firmitas , utilitas , venustas ( English : durability , utility , and beauty ) . The idea comes from the Roman architect Vitruvius .