John 2:25

25andκαὶbecauseὅτιnoοὐneedχρείανHe hadεἶχενthatἵναanyoneτιςshould testifyμαρτυρήσῃconcerningπερὶtheτοῦmanἀνθρώπου,He Himselfαὐτὸςforγὰρknewἐγίνωσκενwhatτίwasἦνinἐνtheτῷmanἀνθρώπῳ.

and because He had no need that anyone should testify about man, for He Himself knew what was in man.