Some people think too much. That is probably true. But what is also true is that some people think too little.
People, who think too little, get a lot done faster, but may be slowed down considerably by un-expected obstacles along with un-prepared solutions.
People, who think too much, is slow to start work, but may catch up when unexpected obstacles are identified along with prepared solutions.
We need both types of people and most importantly, we need to BE --- BOTH.