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how do you know that the thoughts in your head are really yours? how do you know for sure that - this is how i feel, this is what i want- how do you know for sure that you even know anything? how do you know if every thought, every idea, every concept you've ever had was actually yours? what if every brilliant, startling, mind blowing thought you've ever had wasn't yours at all, but placed there by the people around you. no originality, nothing new, just recyled out of the fragmented memories floating around in yor head from conversations you didn't know you were eavesdropping on? what then?