"Real technique of art is only available to artists, it is relying on science, that is, artists, students of anatomy and
perspective - two necessary science to help you rise and flourish of high art. Realism is one based on the ability to look
and smear that you see on the proverb "as I can, and shave, is the beginning of decadence, debauchery in the art."
Pavel Chistyakov. Great Russian artist and founder of his own realistic-painting school (style).