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No one will be offended if we tell them that they are good people who could be a little better. The offense comes when we tell them that they - and we - are ungodly people who cannot impress God or escape his tribunal. Until our preaching of the law has exposed our hearts and God's holiness at that profound level, our hearers will never flee to Christ alone for safety even if they come to us for advice.

Michael Horton (2008). “Christless Christianity: The Alternative Gospel of the American Church”, p.130, Baker Books
No one will be offended if we tell them that they are good people who could be a little better. The offense comes when we tell them that they - and we - are ungodly people who cannot impress God or escape his tribunal.