"Even if it's true that the average man seems most comfortable with the commonplace and familiar, it is equally true that catering to bad taste, which we so readily attribute to the average reader, merely perpetuates that mediocrity and denies the reader one of the most easily accessible means for aesthetic development and eventual enjoyment" - read that again, and you'll understand the depth of wisdom from which it has been spoken. If you have a taste for good design, and want to uncover what makes good design, good - Thoughts on Design, by Paul Rand, is a must-read.