What is Biblical Christianity- The great heart of Biblical Christianity, preached by the apostle Paul, and inspired by the Holy Spirit, is summarized in these five words- the preaching of the Cross.--0-00 - What is the beating heart of Christianity--13-57 - First, the Cross was Jesus Christ paying the penalty.-25-59 - Don't be overly familiar with the Cross.-27-39 - Second, the Cross was our Lord Jesus Christ becoming a substitute.-46-40 - Thirdly, the Cross of Christ was appeasing the wrath of God -propitiation-.-1-00-30 - Fourthly, the Cross was reconciliation.-1-12-59 - So we are called to go and tell people about this good news.