It is easy to read “You shall not commit adultery” and decide that command belongs to someone else. But in Matthew 5, Jesus carries it beyond the outward act into the hidden life of our looks, desires, and thoughts—so where does that leave any of us, and why does God care so deeply about our purity?

Are we battling the sins that happen in our minds? Or do we try to set them on a shelf to revisit at a future time?