These various essays are compiled during the 1400's although some of the works date back to 1150. There is a school of thought,contending that this particular assembly was created to accompany the pilgrims on their way to Jerusalem. Centuries later, it still is opened and read as modern pilgrims journey to the Spiritual Jerusalem. This particular work is a showcase of a variety of distinguished individuals who write about the experiences, necessities and factors encountered and required by all who seek Him. This work has remained a staple of those who earnestly seek God's face a midst numerous writings and messages to properly equip the pilgrim. Much of what is written today, has its roots derived from some these very writings and authors. Much like a color wheel, the colors a really a combination of the fundamentals, which we tend to ornate the world around us.