"Discipline is a subject about which the Scriptures say much -- but contemporary authors have been peculiarly silent. Kent Hughes fills a gaping void with this superb volume . . . If there is a spark of spiritual desire in your soul, this book will surely kindle it into a blazing passion for godly discipline." -- John MacArthur
"To open this book and find someone taking seriously the biblical call of 'agonizing to enter the kingdom' and . . . boxing and sweating like a champion to get victory over sin is the most refreshing thing I could have set my eyes on." -- John Piper