22. ἐπειδὴ καί. Since also. Another proof of how little human wisdom availed to penetrate the counsels of the Most High.
σημεῖα. The Jews (Mat 12:38; Mat 16:1; Mar 8:11; Luk 11:16; Joh 2:18; Joh 6:30) required external attestations of the power of Christ, and especially that of the subjugation of the world to His kingly authority. The Greeks sought dialectic skill from one who aspired to be their teacher.