False Teachers: Their Work, Origin and End

1. The deceit of false teachers v13.

2. Satan uses false teachers 14,15a.
   Satan's subtilty, deceitfulness - his temptations - how he flatters men and encourages heresy and its perpetration.

3. The doom of false teachers v15b.
   God's judgment according to reality - Christians acquiesce in it.

4. The effect false teachers can have v16-20.

Some lessons.