This addresses how an individual can benefit from Jesus' work. Answer: Salvation (forgiveness of sins and eternal life) comes through faith in Jesus Christ.   Biblical Explanation: Faith and Grace: Jesus' apostles consistently taught: "For it is by grace you have been saved, through faith—and this is not from yourselves, it is the gift of God—not by works, so that no one...

The Bible does not name Cain's wife. Based on the Genesis narrative, she must have been a descendant of Adam and Eve (a sister or niece) as they were the first and only human couple on earth at that time. Intermarriage was necessary for humanity to populate the earth.

The doctrine of the Trinity teaches that there is one God who eternally exists as three distinct persons: the Father, the Son (Jesus Christ), and the Holy Spirit. They are co-equal and co-eternal.

The word of God has the power to reveal to us certain things that we could not know in any other way. For example: How and when the world was created. The reason man is the way he is - sin. The true nature of God. What happens to us after we die. Human beings could study and speculate on these things for a thousand years and come up with many theories, but that's all they'd be, just theories...