Between the truth of the physical world and a physics theory, there’s humans. Of course, nothing happens there, because removing the person is the whole point of training as a scientist. But this may or may not be possible.
quoted in “This Physics Pioneer Walked Away from It All,” Nautilus, July 2016
Nautilus Magazine, http://nautil.us/issue/38/noise/this-physics-pioneer-walked-away-from-it-all