Billy Grahams message is based on?

Billy Graham's message is based on proclaiming the Gospel of Jesus Christ and the premise is that man must accept Jesus as their personal savior to be saved of their sins.

Graham in his sermons often quotes the verse from John 3:3 "Jesus answered and said unto him, Verily, verily, I say unto thee, Except a man be born again, he cannot see the kingdom of God."