‘What Cao Hui express through his works is unusual in art world. While the mainstream heads to optimism, Cao bring mainly depression to spectators. In his opinion, experience is complicated, and people get various feelings is daily life. When Cao analysis his own experience and emotions, he finds that the most effective and inspiring feelings come from the subtle and internal scenes. “Depicting such emotions and scenes make me feel calm and satisfaction. In fact I don’t feel any pressure from my own creation, though the purport is to express something serious and firm.’ Link here.