Augustine of Hippo
The initial task requires that you be discontent with yourself and confront your sins, striving for transformation into a better version of yourself. The subsequent challenge, in exchange for this transformation, involves enduring the trials and temptations of this world while remaining steadfast until the end. In addressing this, what additional insight is provided? "Thou hast shown Thy people hard things" (Psalms 59:3) is noted. This is directed towards your people, now offered as a tribute following David’s triumph. You have revealed to your people significant challenges. What are these challenges? They are the persecutions faced by the church of Christ, during which much innocent blood was shed. You have granted us the wine of atonement. What does atonement signify? It is not akin to murder, for it is not violence that causes destruction but rather healing that may inflict pain. You have imbued us with the wine of atonement.