58 There those who are wearied and oppressed by adversities and afflictions will find true consolation and divine strength to suffer and bear with patience; there - that is in the Holy Gospels - Christ, the highest and greatest example of justice, charity and mercy, is present to all; and to the lacerated and trembling human race are laid open the fountains of that divine grace without which both peoples and their rulers can never arrive at, never establish, peace in the state and unity of heart; there in fine will all learn Christ, "Who is the head of all principality and power" and "Who of God is made unto us wisdom and justice and sanctification and redemption."
Source: Divino Afflante Spiritu (Vatican.va)