John Piper is a well-known (celebrity) pastor and widely thought of as a leader in Reformed circles.[1] Thus, any subtle errors that he teaches are all the more dangerous and in need of exposure. This is even more the case when his errors pervert justification by faith alone, one of the cardinal doctrines of scripture. Those who seek to learn from Piper must be aware that Piper subtly denies the doctrine of justification by faith alone in a way that aligns...
