This document discusses the foolishness and deceitfulness of the human heart. It provides several Bible verses that describe the heart as deceitful, the source of evil things, and not fully reliable or wise. It asks whether the heart can be fully trusted or known. It then gives suggestions for how to deal with a foolish heart, such as worshipping God, following the Holy Spirit, and choosing to live in God's grace. The document encourages guarding one's own heart and inclining it towards the Lord. It concludes by asking if God may be telling the reader "Shhh..." as a reflection.