Perhaps William D. Edwards, MD, can shed some light on the question.
We call today Good Friday because of the infinite good accomplished by Jesus of Nazareth through His physical death on the cross, as proven by His resurrection three days later.
I am eternally grateful that He paid the penalty for my sins once and for all, even though nobody (least of all me) deserves any mercy from God. I thank Jesus Christ, the Son of God, for saving my soul.
There is no other name under heaven that has been given among men by which we must be saved.
Performed by Glad