To be in love is merely to be in a state of perceptual anesthesia - to mistake an ordinary young woman for a goddess.
My point is that perceptual bias can affect nut jobs and scientists alike. If we hold too rigidly to what we think we know we ignore or avoid evidence of anything that might change our mind.
We emphasize that such a form of communication is not absent in man however evanescent a naturally given object may be for him split as it is in its submission to symbols.