This fact should demonstrate that sensible qualities, like colors or smells, are not really "in" things. Because if things can, for example, appear to be one color when in reality they are (supposedly) another, then we will never be able to say what color they really are, what color is really "inherent" in them. For all sensible qualities, as Berkeley says, "are equally evident"; seems to mean that for every supposedly veridical perception there is a possible corresponding illusory one (or wherever it is possible that "X is Y" is true, it is equally possible that "X simply seems to be Y" is true). So, given any perception, P, it is possible that P is veridical and it is possible that P is illusory (Borchert