Mormons often argue that the Bible is incomplete because it references books that no longer exist — sometimes called the “lost books of the Bible.” But is this claim accurate? While the Bible does mention ancient texts that are no longer extant, there is no evidence these writings were ever part of the inspired Jewish Scriptures or considered canonical. Most were historical or cultural records familiar to the people of the time, not God-breathed revelation.
Most importantly, the Old Testament books that Jesus Himself quoted and affirmed are fully preserved. Luke 21:33 reminds us, “Heaven and earth shall pass away: but my words shall not pass away.” God’s Word has been faithfully preserved through thousands of manuscripts, early translations, and careful copying over centuries (Psalm 12:6–7). The canon of Scripture, as recognized by the Jewish and Christian communities, remains complete and sufficient for faith and practice.
If some argue the Bible is incomplete because it mentions “lost” writings, we must ask the same question of the Book of Mormon — which also references supposed “missing” books (1 Nephi 5:14; 2 Nephi 29:3). Unlike the Bible, the Book of Mormon cannot demonstrate historical preservation or external corroboration.
This video and accompanying article “Should We Trust the Bible?” help believers respond biblically and confidently to claims that Scripture is incomplete. Watch the full interview with Marvin Cowan in Ex-Mormon Researchers Share Experiences in Mormon Ministry to learn how God’s Word alone is sufficient, trustworthy, and preserved for all generations.
“Sanctify them through thy truth: thy word is truth” (John 17:17) and “The grass withereth, the flower fadeth: but the word of our God shall stand for ever” (Isaiah 40:8). The Bible is complete — just as God intended.