The document outlines several reasons for knowing the Bible: 1) To have everlasting life, as the Bible is the only source of perfect knowledge of God and Jesus Christ. 2) To know the greatest book ever written, as it was authored by God and equips one to serve God. 3) To know one's purpose and destiny, as the Bible answers questions about human origin, nature, and mission. 4) To be saved from sin, as the Bible alone explains how to be saved through believing the gospel.