His own image... was no longer the reflection of a clumsy, dirty, gray bird, ugly and offensive. He himself was a swan! Being born in a duck yard does not matter, if only you are hatched from a swan's egg.
Bio: William Kingdon Clifford was an English mathematician and philosopher. Building on the work of Hermann Grassmann, he introduced what is now termed geometric algebra, a special case of the Clifford algebra named in his honour.