Blessed are the peacemakers: for they shall be called the children of God.
All Commentaries on Matthew 5:9 Go To Matthew 5
Cyril of Alexandria
The peacemaker is the one who demonstrates the harmony of the Scriptures, where others see only a contradiction: the Old with the New, the law with the prophets, Gospel with Gospel. Accordingly, having imitated the Son of God, “he shall be called a son,” having by his work grasped of the “spirit of adoption.”