Bible Contradictions 3: God guarantees no harm to Saints? Ever?

Here we go again: Chipping away at the top 20 most damning "presumed" Bible contradictions. This time we go to a promise in the Proverbs that God will always protect the Saints from harm. But is that really what the Bible says? From beginning to end? 
Shouldn't take long to find the error in the system. Enjoy!