In this sermon, the speaker emphasizes the importance of remaining true to God's Word. He uses the example of the watchman's duty to warn the people when danger is approaching. The speaker also highlights the simplicity of God's commands, using the example of Adam and Eve being instructed not to eat from a specific tree. He encourages the audience to study the scriptures, seek help when needed, and apply God's Word in order to be kept as part of the remnant. The speaker also criticizes the tendency of some preachers to please men rather than faithfully preaching God's Word.