The sternest, most dramatic warnings against sin by Jesus are in Matthew 6 & 18. It is the sins of unforgiveness! Protect yourself and your loved ones from this toxic sin! Learn about the dangers of unforgiveness now. The world is turning against Christians more and more. Be prepared to be offended. Be ready to forgive and to return good for evil. We must! Jesus demands it. It's for our protection. Unforgiveness is a great danger.