Final answer:
Ezra Taft Benson referred to the Book of Mormon as a 'keystone' in his teachings, explaining its role as a central support for the LDS faith. The Book of Mormon is seen as a witness of Jesus Christ and contains additional insights beyond the Bible.
Step-by-step explanation:
Ezra Taft Benson, a prominent leader in the Church of Jesus Christ of Latter-day Saints (LDS), referred to the Book of Mormon as a 'keystone' in his teachings. He explained that the Book of Mormon serves as a central support or foundation for the LDS faith and doctrine. Just as a keystone is the central stone that holds an arch together, the Book of Mormon is seen as the central scripture that supports and validates the beliefs of LDS members.
Benson emphasized the importance of the Book of Mormon as a witness of Jesus Christ and a guide for living a righteous life. He taught that the Book of Mormon contains the fullness of the gospel and provides additional insights and revelations beyond what is found in the Bible. It is considered a sacred scripture alongside the Bible in the LDS faith.