In a previous life , Plato believed that he had been a bush . Pythagoras saw a similar ity between the substance of his brain and his own semen.
Opposites are also illusion.
The face in the mirror is 'unfamiliar,' but certainly not inverted . Formal' concerns are not in any way 'pure,' they are the 'realization' that all 'purity' is imaginary, worthwhile, transparent.