Sense and Sensibility

http://commons.wikimedia.org/wiki/File:Rhododendron-by-eiffel-public-domain-20040617.jpg

We detect that a rhododendron flower is odorless by smelling it. But do we smell its odorlessness? We detect that tofu is flavorless by tasting it. But do we taste its flavorlessness?

— Roy Sorensen, Seeing Dark Things, 2008