What did Christ do from the Cross? In the throes of His final agony He pleaded with His Father to forgive His torturers and executioners. He didn't condemn anyone and even opened Paradise to the thief who hung next to Him.
One of the centurions who witnessed the events on Calvary confessed: Surely this Man was the Son of God.
Mercy. Even from the cross. Especially from the cross.
No my children, it is not some cheap grace, as a few of our brethren would have you believe. Mercy is the difference between divinity and human misery. Our first response to injury is seldom mercy and forgiveness, but too often the condemnation and judgment some have mistaken for fraternal charity.
Can you imagine a Passion of Christ where Mary would assail the people who put her Son to death?
Pray for us sinners, not those sinners.