The most ancient form of making the sign of the cross was by tracing a cross on the forehead, followed by the lips and then over the heart. This is still observed in the Roman Catholic Church when the Gospel is being declared.
For nearly 7 minutes, Colbert deftly explained seeming contradictions in the New Testament, showed how Scripture supports Christ’s divinity and intellectually embarrassed the scholar in Zimbardo fashion. You can watch the entire exchange here. Read more at http://www.relevantmagazine.com/culture/6-times-stephen-colbert-got-serious-about-faith#qp7pOELwxD1fDbyf.99