Q. #27 – What happened to our first parents when they sinned? Answer – Instead of being holy and happy, they became sinful and miserable. Proof – Romans 3:10-12,16 Q. #28 – What effect did the sin of Adam have on all mankind? Answer – All mankind is born in a state of sin and misery. Proof – Rom 5:12 … Psalm 51:5 Q. #29 – What do we inherit from Adam as a result of this original sin? Answer – A sinful nature. Proof – Ecclesiastes 9:3