Acts 10:40

Him God raised up the third day, and gave him to be made manifest, not to all the people, but unto witnesses that were chosen before of God, even to us, who ate and drank with him after he rose from the dead.

This is the heart of Christianity. If this is not relevant to every man on earth, then nothing is relevant. The facts in view here are the cornerstone and foundation of all faith and doctrine in Christ. This is the essential theme that both launched and sustained the triumph of Christianity over the pagan religions of antiquity. The apostles did not preach what they had merely heard, but what they had heard and seen. Hervey rightly affirmed that "This constant reference to eyewitnesses is an indication of the historical character of Christianity, and of the importance of Christian evidences."[23]