doing things that God says we shouldn’t do and not doing things that God says we should do. It likewise includes our words and even our thoughts and desires—any failure to glorify and enjoy God in any of these areas is sin. Q15. What was the sin that our first parents fell by? Our first parents fell by the sin of eating the forbidden fruit.3 Eating a piece of fruit doesn’t seem like a desperately evil thing to do, but that is precisely the point—our first parents thought they could decide for themselves