Some info about LATIN
QUOTES AND PHRASES
Quis custodiet ipsos custodes? is a Latin phrase found in the work of the Roman poet Juvenal from his Satires . It is literally translated as "Who will guard the guards themselves?", though it is also known by variant translations, such as "Who watches the watchers?" and "Who will watch the watchmen?".
Wikipedia contributors, "Quis custodiet ipsos custodes," Wikipedia, The Free Encyclopedia,ABOUT THE LATIN LANGUAGE