D.L. Moody shares a touching story about a little boy who travels a long distance to attend a Sunday school that he feels loved in, emphasizing the profound impact of love in reaching and nurturing individuals. The boy's choice illustrates that love is a powerful motivator and can draw people to places where they feel valued and cared for. Moody encourages Sunday school teachers to cultivate genuine affection for their students, as this love can lead them to Christ. The sermon highlights the importance of love in ministry and its ability to transform lives.