In this sermon, the speaker emphasizes that preaching the word of God is not just about making people feel good, but about conveying the whole message of love, grace, and the plan of salvation. The speaker highlights the importance of knowing and understanding God's expectations for our lives and living in a way that pleases Him. They also stress the need for purity in our homes and the importance of discipline, both in parenting and within the church community. The sermon warns against tolerating sinful behavior and emphasizes the need for spiritual leaders to guide and instruct based on the Word of God.