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Matthew 18:4
Robinson-Pierpont Byzantine Textform · Berean Standard Bible
Ὅστις οὖν ταπεινώσει ἑαυτὸν ὡς τὸ παιδίον τοῦτο, οὗτός ἐστιν ὁ μείζων ἐν τῇ βασιλείᾳ τῶν οὐρανῶν.
Therefore, whoever humbles himself like this little child is the greatest in the kingdom of heaven.