It seems counterintuitive that we become more open to new ideas the more familiar we are with ideas we have already encountered, but historians of science will happily confirm this (Rheinberger 1997). It makes sense when you think about it: without intense elaboration on what we already know, we would have trouble seeing its limitations, what is missing or possibly wrong. Being intimately familiar with something enables us to be playful with it, to modify it, to spot new and different ideas without running the risk of merely repeating old ideas believing they are new.