Matthew 5:23

Ἐὰν οὖν προσφέρῃς τὸ δῶρόν σου ἐπὶ τὸ θυσιαστήριον καὶ ἐκεῖ μνησθῇς ὅτι ὁ ἀδελφός σου ἔχει τι κατὰ σοῦ,

Therefore, if you bring your gift to the altar, and there remember that your brother has something against you,