Not all such religious vestments are on public display. Some are seen only in places of worship. Temple robes of The Church of Jesus Christ of Latter-day Saints, known as the robes of the holy priesthood, are worn only inside Mormon temples and reserved for the highest sacraments of the faith. White symbolizes purity. There is no insignia or rank. The most senior apostle and the newest member are indistinguishable when dressed in the same way. Men and women wear similar clothing. The simple vestments combine religious symbolism with echoes of antiquity reflected in ancient writings from the book of Exodus.