Art and music needs no language. Once you delve into them, they speak to you in their own way. Personally, I feel every artist has a story to tell. I don't know much about art, but I admire the story behind every piece of art.
Even though his earlier work was influenced by European expressionism and mostly related to Bibilical myths, it was his later work on capturing human facial expressions that fascinated me the most.
They were dark, cynical and rough. Also I learned for the first time what shorthand painting was all about.