During the painting course, artist Chang Yu pay no attention to calligraphy as well as painting theory, but painting casually and go for his feeling, and paint his likes, dislikes and preferences, as well paint his moods. As to Chang Yu, painting is a part of natural emotional outlet.
Sa panahon ng kurso pagpipinta, artist Chang Yu magbayad hindi pansin sa kaligrapya pati na rin ang pagpipinta teorya, ngunit pagpipinta casually at pumunta para sa kanyang pakiramdam, at pintura ang kanyang gusto, dislikes at kagustuhan, pati na rin pintura kanyang moods . Tulad ng sa Chang Yu, pagpipinta ay isang bahagi ng natural na emosyonal na labasan.