Norman Kemp Smith, Avenarius' Philosophy of Pure Experience… (1906)
“ When we look at another person we observe that the objects which he perceives lie outside him, and, arguing that the perceptions of them are in him and not outside him, we feel compelled to conclude that he does not apprehend the real external objects but only subjective images or counterparts. As this interpretation is applied by me to the experience of all other persons and is applied by all other persons to me, I feel compelled to apply it to my own world, and accordingly conclude that I do not perceive the outer objects but only their inner copies. ”
