A good analogy for QE is the economy on a Meth addiction. After a the housing market bubble (The first week long meth binge) the economy crashed (like at the end of a real meth binge) but instead of facing the music and letting the market adjust (facing the comedown effects) the FED then created QE 1, 2 and 3 (Simply taking more meth to prevent the comedown) and now has resulted to the continual printing of QE4 (Getting a meth IV and having it drip into your system perpetually). The Meth economy feels great and thinks they are on top of the world (Great DOW numbers) but soon will die from the real effects of the drug (currency collapse) which will be much worse than if when just faced the comedown in the first place...
If you need further proof, look up pictures of Meth addicts then look up pictures of Detroit and you will see some stark similarities.
"the greatest service which can be rendered any country is to add an useful plant to it's culture; especially a bread grain. next in value to bread, is oil." - Thomas Jefferson
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