30+ John Piper Quotes On Grace. Part of a large selection of christian quotes and sayings in a variety of topics by famous people, authors, theologians, pastors, preachers, teachers, and other notable christians. They are double because we are under grace" (john piper, future grace, 168). Boasting says, "i deserve admiration because i have achieved so much.". For 33 years, he served as pastor of bethlehem baptist church, minneapolis, minnesota. He is author of more than 50 books , including desiring god: Grace is the enabling gift of god not to sin. Boasting is the response of pride to success. Faith begins with a backward look at the cross, but it lives with a forward look at the promises Obedience does not consist in paying god back and thus turning grace into a trade. Preview — future grace by john piper.