This is an audio podcast of "Introduction to the Westminster Shorter Catechism," taught by Dr. James J. Cassidy. Videos of each lesson including Spanish and Chinese subtitles are available for free online at reformedforum.org.

Dr. Cassidy is the pastor of South Austin Presbyterian Church. He graduated in 2014 from Westminster Theological Seminary with the Ph.D in systematic theology writing on the theology of Karl Barth. He is the author of God's Time For Us: Barth on the Reconciliation of Eternity and Time in Jesus Christ (Lexham Press).

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Q. 15. What was the sin whereby our first parents fell from the estate wherein they were created? A. The sin whereby our first parents fell from the estate wherein they were created was their eating the forbidden fruit.