Anyone who thinks these so-called "spiritual disciplines" pushed by The Cult of Contemplative Guru Richard Foster are in line with the Protestant Reformation should take a little peek at what John Calvin has to say about monasticism at Apprising Ministries where the great Church Reformer says in part:

I maintain that in astricting themselves to many perverse and impious modes of worship, such as are exhibited in modern monasticism, they consecrate themselves not to God but to the devil."