1. They are lying to themselves and disregarding the Bible.
2. If you have read the truth in the Word and continue to commit the same sin, then you are only deceiving yourself, because God sees all.
3. When we walk in the light, we are washed in the blood and cleansed of our sins.
4. We can get back into the light if we sin, if we stop sinning,and ask for forgiveness and then contiunue to walk in the light.