It discusses salvation, assurance, predestination, and the fear of the Lord, challenging the idea of "once saved, always saved" and emphasizing continuous faith and obedience. David Pawson stresses the importance of aligning one's life with biblical principles, the role of the Holy Spirit in assurance, and the distinction between predestination and predetermination. He looks at many of the 'warning' scriptures in the Bible, which emphasizes the fact that to be finally saved, Believers need to go on believing to the end without walking away from the Lord.
He is a clear Bible teacher
I would have preferred more scriptures. I also don't like that he sometimes talks as if he himself isn't quite sure of his final salvation. I don't think he means it like that but it can give the impression that we are insecure.
Everyone
Yes, without reservation!