Simplify the following text for a Grade 7 native English-speaking person.
Original: Tacitus ( c. 56 â `` c. 117 ) denounces Roman immorality by praising German virtues , elaborating on the topos of the Noble savage .
Simplified: Tacitus ( c. 56 â `` c. 117 ) citicizes Roman immorality by praising German virtues .