In this sermon, the preacher focuses on the topic of walking in the light as mentioned in John's first epistle. He emphasizes the importance of living in obedience to God's commandments and keeping His word. The preacher shares a personal story about a church for deaf and dumb people, highlighting the need for preaching in a way that reaches all individuals. He also mentions the concept of personal assurance and how our obedience to God's commandments not only affects our own faith but also influences others who observe us.

In this sermon, the preacher focuses on the topic of Christian assurance, using passages from 1 John. He explains that Christian assurance is obtained through three means: the objective and historic facts of the Gospel, the gift of the Holy Spirit, and the confirmation of a changed life. The preacher emphasizes that Christian assurance is manifested in attitudes of boldness and confidence. Throughout the sermon, the word "boldness" is used to describe the assurance that believers have in their relationship with God. The sermon highlights the importance of Christian assurance and encourages believers to have confidence in their faith.

In this sermon, the main theme is the importance of Christians having an attitude of truthfulness and paganism towards sin. The speaker emphasizes that our attitude towards sin is determined by understanding what sin truly is - lawlessness. The sermon also highlights the love of God the Father in making us His children and the divine beginning that allows us to walk in the ways of God. The sermon is based on the book of 1 John, with different sections focusing on God being light, righteous, and the Son of God manifested to destroy the works of the devil.