Quote:
Originally Posted by Karls48
...At any point of time in history people thought that they know it all, they know most of the answers. Today scientists are not different from the ones in the past.
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That is so true. Even though we may think we know all that there is to know, we don't. Much of our knowledge now will more than likely be rather quaint in 100 to 200 years time. That's why you should never rule anything out.