However, there is a vast difference between hearing about Jesus and knowing Him.
hosepipe often puts it something like this: "Jesus: you MUST be born again."
Jesus answered, Verily, verily, I say unto thee, Except a man be born of water and [of] the Spirit, he cannot enter into the kingdom of God. That which is born of the flesh is flesh; and that which is born of the Spirit is spirit. Marvel not that I said unto thee, Ye must be born again. - John 3:5-7
Thanks, AG. Without trying to parse your statement too closely I'll only add that all men know the Father, Son, and Holy Ghost through nature, conscience, and providence to leave them without excuse. The fact that many suppress the truth only adds to their condemnation (Rom 1).