Parallel
Galatians 3:15
Patriarchal Greek New Testament (1904) · Berean Standard Bible
Ἀδελφοί, κατὰ ἄνθρωπον λέγω· ὅμως ἀνθρώπου κεκυρωμένην διαθήκην οὐδεὶς ἀθετεῖ ἢ ἐπιδιατάσσεται.
Brothers, let me put this in human terms. Even a human covenant, once it is ratified, cannot be canceled or amended.