Matthew Chapter 16, Verse 4
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4: γενεα πονηρα και μοιχαλις σημειον επιζητει και σημειον ου δοθησεται αυτη ει μη το σημειον ιωνα του προφητου και καταλιπων αυτους απηλθεν
4: A wicked and adulterous generation seeketh after a sign; and
there shall no sign be given unto it, but the sign of the
prophet Jonas. And he left them, and departed.
4: A wicked and adulterous generation seeketh after a sign: and a
sign shall not be given it, but the sign of Jonas the prophet. And he
left them, and went away.
A wicked and adulterous generation, etc. See Barnes "Mt 12:38ff".
Mark adds, Mk 8:12 that he sighed deeply in spirit, he did not say this without feeling, he was greatly affected with their perverseness and obstinacy, Mt 16:6ff. This account is recorded also in Mk 8:14ff.

