“Of course, for the suggestion to work, it must be the case that the virtues function invariantly.”

“I found this surprising, because we were all the same distance from the drawing, and I had imagined that a given disparity would be perceived, invariantly, as a constant depth.”

“This imprecision did not concern him, as he was disposed to regard the 'right' set of place selections for any particular random collective as being fixed by context and not invariantly specifiable.”