midnight
`` As you speak , '' said I , resting my downcast face upon my hand , `` I should speak to any patient who had confided to me the tale I have told to you . '' `` And yet the explanation does not wholly satisfy you ? Very likely : to some phenomena there is , as yet , no explanation . Perhaps Newton himself could not explain quite to his own satisfaction why he was haunted at midnight by the spectrum of a sun ; though I have no doubt that some later philosopher whose ingenuity has been stimulated by Newton 's account , has , by this time , suggested a rational solution of that enigma . -LRB- 8 -RRB- To return to your own case . I have offered such interpretations of the mysteries that confound you as appear to me authorized by physiological science . Should you adduce other facts which physiological science wants the data to resolve into phenomena always natural , however rare , still hold fast to that simple saying of Goethe : ` Mysteries are not necessarily miracles . '