"Forgive us Lord, as we forgive those who have trespassed against us," and "let vengeance be the Lord's," are two qualities I see in the equation too though Smaller. But beyond forgiveness is the element of love. If a person sees another trapped in their own sins, even engrossed in them, forgiving the person is not helping them. To really act in love forgiving is only one element, helping them correct it, or leave them and let God's consquences in the world correct them might be the best route while striving to let go of the harms they've done to a person.
This brings to question a somewhat "huge" rift in understandings. I would observe that "most" christians believe that if they are "acting right" that this brings their flesh into a position where it is not contrary to the Spirit. And, that sight, I reject.
We act "right" to show our dominion over sin in the flesh (and our "adversary" who operates therein), which remains contrary to the Spirit, regardless of such external acting.
It is a showing of control OVER and dominion OVER the adversary, not elimination of reality of sin in the flesh OR bringing that which is contrary/in contention with the Spirit, INTO the things of God in Christ. That can't happen.
There is a big big difference, which Paul notes as this:
Romans 6:12
Let not sin therefore reign in your mortal body, that ye should obey it in the lusts thereof.
We do in this understand that it is always there to reign over. This is the essence of understanding the cross, to the understanding that our flesh is dead in the sight of God in Christ, because of sin therein. That IS the message of the Cross.
There is then a two fold state. One of death in the flesh, and one of Life in The Spirit of Christ, noted again by Paul, here:
Colossians 3:3
For ye are dead, and your life is hid with Christ in God.
In other words, the latter is hidden currently in the former.
We are to consider our flesh dead, for very good Spiritual Reasons. Because of sin. Paul is clear that as it pertains to sin, ours is no better than anyone else's, including that of an actual murderer. Romans 3:9 addresses this, asking the question, "are we better?" Paul's answer? No! ALL are in fact under sin in their own flesh, equally. Again shown in Gal. 3:22, scriptures conclusion regarding this. No action of legality is going to "save or spare" the flesh in which dwells sin.
That said, I really don't think forgiveness is weak attribute, a spiritual pansy.
Apart from
judgment against sin, it is a weak sight.
We do bear the REPROACH (disapproval/disappointment) of Christ in our flesh, and hence, understanding the reasons for it's death-> our respective crosses.
It is the disapproving Eye of Him that points us to our own cross.