When the schoolyear began, fourteen-year-old C.J. would hop off the bus every afternoon and dance down his driveway. His mom recorded and shared videos of C.J.’s afterschool boogie time. He danced because he enjoyed life and “making people happy” with every move. One day, two garbage collectors took time out of their busy work schedule to stomp, spin, and sway with the young boy who inspires others to dance with him. This trio demonstrates the power of sincere and infectious joy.

The writer of Psalm 149 describes the original source of enduring and unconditional joy—God. The psalmist encourages God’s people to…