15 ἐὰν δὲ μὴ ἀφῆτε τοῖς ἀνθρώποις, (τὰ παραπτώματα αὐτῶν) οὐδὲ ὁ Πατὴρ ὑμῶν ἀφήσει τὰ παραπτώματα ὑμῶν.
Matthew 6:15 Cross References - BGB
Matthew 18:35
35 Οὕτως καὶ ὁ Πατήρ μου ὁ οὐράνιος ποιήσει ὑμῖν, ἐὰν μὴ ἀφῆτε ἕκαστος τῷ ἀδελφῷ αὐτοῦ ἀπὸ τῶν καρδιῶν ὑμῶν.”