1 Corinthians 15:28

28Whenὅτανnowδὲshall have been put in subjectionὑποταγῇto Himαὐτῷτὰall thingsπάντα,thenτότεHimselfαὐτὸςtheὁSonυἱὸςwill be put in subjectionὑποταγήσεταιto the [One]τῷhaving put in subjectionὑποτάξαντιto Himαὐτῷτὰall thingsπάντα,so thatἵναmay beᾖὁGodθεὸςallπάνταinἐνallπᾶσιν.

Now when all things shall be subjected to Him, then also the Son Himself will be subjected to the One having subjected all things to Him, so that God may be all in all.