Here are some thoughts I have about the cross.
The radical notion of the Son of God dying for the sinful humanity on the shameful Roman cross as the atoning sacrifice is an extraordinary picture of divine participation in human suffering. The Christ-community's suffering is not something unfamiliar with the Creator God, for he allowed his own Son to be subject to ancient Rome’s brutality. The profound “mystery” of God sharing in human suffering has been revealed to us through a notorious object of Roman oppression, namely, the cross.
The identification of God’s Son as a weak and frail human being is at the same time his way of delivering humanity from sin and death, which is of course thoroughly counter-cultural - both in the ancient world and in the 21st century.
What a God we worship. And he calls us to follow him.