For what glory is it if, when you sin, you patiently endure beating? But if, when you do well, you patiently endure suffering, this is commendable with God.
Jesus is a cornerstone, the foundation upon which the church is built, but yet He is also a stumbling stone. The Jews stumble over Him because of the crucifixion. They could not understand the Messiah being crucified and so they stumbled over this stone. He became a rock of offence to them.