In the 20 years since its publication, Celebration of Discipline has helped over a million seekers discover a richer spiritual life infused with joy, peace, and a deeper understanding of God. Now you can explore the "classic Disciplines," or central spiritual practices, of the Christian faith and discover how only by and through these practices can the true path to spiritual growth be found. Richard J. Foster is a Quaker and the founder of Renovaré, an infrachurch movement committed to the renewal of the Church in all her multifaceted expressions.