Apparently he was very competitive and as soon as he saw a painting by someone else in a style similar to his he would have to quickly out do it.
Most amazing was the statement that he left a portfolio of about 20,000 paintings, drawings ,and sketches - in 50 years that is 400 a year!
(The exhibit closes Sept 1.)
We wandered through some other parts of the museum - some make your own animals geared to children, but of course I did some, and some Native American and Chinese art.
Here is a teapot from the the Chinese section.