Greek

Ἀποκριθεὶς δὲ ὁ Ἰησοῦς εἶπεν αὐτοῖς Πλανᾶσθε μὴ εἰδότες τὰς γραφὰς μηδὲ τὴν δύναμιν τοῦ Θεοῦ

Transliterated

apokritheis de ho Iēsous eipen autois Planasthe mē eidotes tas graphas mēde tēn dynamin tou Theou

Literal English

Answering however - Jesus said to them You err not knowing the Scriptures not even the power of the of God
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