When I do the Pre-flight somehow a single question always pops into my mind: "Is there any reason why I shouldn't fly this 'plane?"
What about 'Is there any reason why I SHOULD fly this aeroplane?'
ie assume that there is a problem and don't fly til you prove to yourself that everything is working as advertised.
Maybe drawing a long bow here, but in the Columbia space shuttle accident report is something along the lines of "imagine the difference if just one manager asked, 'prove to me that Columbia IS safe to fly" - going in with the mindset that it isn't and you have to prove that it IS safe in order to go.
Maybe semantics, maybe not.