The Jars of Clay song "Let Us Love and Sing and Wonder" is a hymn of praise to Jesus Christ. The lyrics speak of the love and wonder inspired by Jesus' sacrifice and mercy. The first verse talks about how Jesus has quieted the thunderous condemnation of the law and extinguished the flames of Mount Sinai, referring to the Old Testament story of the giving of the Ten Commandments. The second verse speaks of how Jesus bought us with his blood when we were still enemies, called us by grace, and gave us the ability to see and understand. The chorus repeats the phrase "He has washed us with His blood" three times, emphasizing the importance of Jesus' sacrifice on the cross and the cleansing power of his blood. The third verse speaks of the connection between grace, justice, and mercy, and how through Christ, justice smiles and requires nothing more of us. The final verse speaks of joining the praise of the saints who have gone before us and how Jesus' blood has washed us and secured our way to God. Overall, the song is a celebration of the love, grace, and power of Jesus, and an invitation to join in praise and thanksgiving.