This sermon, taken from Hebrews 5:11-14, challenges us to sharpen our spiritual hearing. The main idea is that we often become sluggish when it comes to receiving and responding to God's word. When we're "dull of hearing," we miss out on spiritual growth and maturity. The speaker calls us to be teachable, listen carefully, and be quick to act on what God says. It’s a reminder that our spiritual ears need to be open and ready, not slow or lazy. The sermon also gives practical advice on how to improve our hearing through prayer, humility, and consistently reading the Bible.