John 17:19

19andκαὶforὑπὲρthemαὐτῶνIἐγὼsanctifyἁγιάζωMyselfἐμαυτόν,thatἵναmay beὦσινalsoκαὶtheyαὐτοὶsanctifiedἡγιασμένοιinἐνtruthἀληθείᾳ.

and for them I sanctify Myself, so that they also may be sanctified in truth.