Long have I suspected that every person unwittingly wears his soul upon his face. The kind-heartedness of a person is mirrored onto his facial demeanour, methinks. And down to the more mundane, there is the study of physiognomy - herein understood to signify the appearance of a person’s facial features. This study has been going on for centuries; in fact in the 5th Century B.C. Pythagoras was already basing his student selection upon how they looked.