An honest self-portrait is extremely rare because a man who has reached the degree of self-consciousness presupposed by the desire to paint his own portrait has almost always also developed an ego-consciousness which paints himself painting himself, and introduces artificial highlights and dramatic shadows.
W. H. AudenOver the tea-cups and in the square the tongue has its desire; Still waters run deep, my dear, there's never smoke without fire.
W. H. Auden