" Deaf people can be the sharpest hearers and blind people can be the sharpest see-ers. It’s not physical. Dullness of hearing, you remember from 6:12 and 3:18, is the failure to make use of the Word heard to nurture faith and bear the fruit of obedience. "

― John Piper , Take Care How You Listen: Sermons by John Piper on Receiving the Word