This fact is supposed to show that sensible qualities, such as colors or smells, are not really "in fashion". For if things can, for example, look like one color when they (supposedly) actually are another, then we will never be able to say what color they really are, what color they really “is.” “inherent”. For all sensible qualities, as Berkeley says, “are equally apparent”; he seems to have meant that for every putatively veridical perception there is a corresponding possible illusory perception (or wherever it is possible that "X is Y" is true, it is also possible that "X just looks like Y" is true) . Therefore, given any perception P, it is possible that P is veridical and possible that P is illusory (Borchert