Qu. Whether possible that those visible ideas wch are now connected with greater tangible extensions could have been connected with lesser tangible extensions,—there seeming to be no necessary connexion between those thoughts?
Speculums seem to diminish or enlarge objects not by altering the optique angle, but by altering the apparent distance.
Hence Qu. if blind would think things diminish'd by convexes, or enlarg'd by concaves?
P.N.
Motion not one idea. It cannot be perceived at once.
M. P.
Mem. To allow existence to colours in the dark, persons not thinking, &c.—but not an actual existence. 'Tis prudent to correct men's mistakes without altering their language. This makes truth glide into their souls insensibly[225].
M. P.
Colours in ye dark do exist really, i.e. were there light; or as soon as light comes, we shall see them, provided we open our eyes; and that whether we will or no.
How the retina is fill'd by a looking-glass?