Romans 2:19

19are persuaded [that]πέποιθάςthenτεyou yourselfσεαυτὸνa guideὁδηγὸνareεἶναιof [the] blindτυφλῶν,a lightφῶςto thoseτῶνinἐνdarknessσκότει,

and you have persuaded yourself [that you] are a guide of the blind, a light to those in darkness,