At Pentecost the crucifixion was considered a matter of shame and Peter called upon his nation to repent of the horrible crime. Because Israel would not repent the nation has now been cast out of God’s presence. But here comes Paul boasting in the cross and proclaiming it as the glorious remedy for man’s dreadful malady. “For the preaching of the cross is to them that perish foolishness; but unto us which are saved it is the power of God.”