Unlike other collectors, most Tea masters prefer the incomplete; they look for slight scars or irregularities of form. If carried to excess, this desire will, of course, become unhealthy, but that there is a close relation between beauty and deformation cannot be denied. Beauty dislikes being captive to perfection. That which is profound never lends itself to logical explanation: it involves endless mystery.
            - Soetsu Yanagi, The Unknown Craftsman, A Japanese Insight Into Beauty