Mary F. Porter, Applied Psychology for Nurses
“ And because we can never point out any one quality in the outside world and say “This is purity, and all of purity; this is goodness; or this good plus this good plus this makes all of goodness”; because of this impossibility we speak of these concepts as having reality somewhere. They are absolutes, universals, abstract quality concepts—the unfound all of which the things we call pure and good are but the part. ”
