The book of John begins with powerful words: “In the beginning was the Word and the Word was with God, and the Word was God.” This passage clearly tells us that Jesus Christ is the living Word of God. The Bible says that the pathway to Heaven is exclusively through Jesus Christ, through our belief in Him. We manifest or prove that belief by reading and obeying the Bible.
The Bible, I believe, is essential to our salvation. We cannot rightly believe in Jesus unless we rightly characterize Him. The only way to rightly characterize Jesus is to learn who He is by reading the Bible. Only then can we know Him.