Tobias Bergdahl has put together 12 designs based on Adrian Shaughnessy's "12 paradoxes of graphic design." Have a look here.
Adrian Shaugnhnessy is a graphic designer and writer based in London. In 1989 he co-founded the design company Intro. Today he runs ShaughnessyWorks, a consultancy combining design and editorial direction.
Found via Quipsologies.