God has a good purpose behind the suffering, and his good purpose is intended to influence more than the one who is disabled. So how does this biblical truth land on those who are directly affected by disability? It was during the preaching of the following two sermons in 2011 that Piper interviewed John Knight. Knight is the father of Paul, a teenage son who was born blind and remains blind to this day (which is just one of his many other physical and cognitive struggles). Knight candidly walks