A revised and updated edition of the manifesto that shows how simplicity is not merely having less stress and more leisure but an essential spiritual discipline for the health of our soul. Written in his warm, accessible style, this updated edition of Richard Foster's classic work on simplicity explores this discipline throughout Christian history and the Bible as well as examining simplicity in practice. Foster provides a way to rethink our priorities and to "seek first God's kingdom and his righteousness." He shows us how to live in harmony with the rich complexity of life while stressing the relation of simplicity to prayer, solitude, and all the Christian disciplines. With a new introduction and revisions throughout.