Complex sentence: Foundational sources for the Constitutions include the desert hermit vocation as exemplified in the life of the Prophet Elijah, and the contemplative life exemplified par excellence in the life of the Virgin Mary, beloved to the Order under the title of Our Lady of Mount Carmel.
Split into simpler sentences: Foundational sources for the Constitutions include the desert hermit vocation as exemplified in the life of the Prophet Elijah. For the Carmelite the contemplative vocation is exemplified par excellence in the life of the Virgin Mary, beloved to the Order under the title of Our Lady of Mount Carmel.