" Second, there is a clear eschatological focus in the word “blessed.”9 If a focus of the Old Testament was on present-life blessings for Torah observance, there is another dimension that deconstructs injustice and sets the tone for Israel’s hope: the future blessing of God in the kingdom when all things will be put right; no text in the Old Testament fits more here than Isaiah 61.10 This second dimension shapes the Beatitudes because Jesus’ focus is on future blessing. "

― Scot McKnight , Sermon on the Mount (The Story of God Bible Commentary)