This sermon explores the call for Christians to be zealous for what is good, emphasizing that ethical conduct serves as a primary witness to the world. The message argues that while believers may face opposition, their primary response should be to live under the gaze of God rather than fearing human retaliation. It highlights the theological distinction between moral goodness and divine goodness, urging believers to imitate Christ's example of suffering for righteousness' sake without returning evil for evil. The preacher encourages the congregation to set Christ apart as Lord in their hearts, finding blessing and peace in God's providence even when facing persecution. Ultimately, the sermon calls for a life of excellence and zeal that reflects the character of God, opening the door for effective gospel witness.