clean hands

clean hands pl (plural only)

1. (figurative, idiomatic, law) Freedom from guilt, especially from the guilt of dishonesty in money matters, or of bribe-taking.
   • 1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], →OCLC, Job 17:9:

     He that hath clean hands shall be stronger and stronger.