Parallel
Mark 6:52
Nestle 1904 Greek New Testament · Berean Standard Bible
οὐ γὰρ συνῆκαν ἐπὶ τοῖς ἄρτοις ἀλλ’ ἦν αὐτῶν ἡ καρδία πεπωρωμένη
for they had not understood about the loaves, but their hearts had been hardened.