Themes in Chagall's Art. Home, nature, and love are some of the main subjects in artist Marc Chagall's work. These subjects show what was most important to Chagall. In addition, they are universal themes that made Chagall a popular artist whose work many people understand and enjioy. According to Marc Scheps (1987) in Marc Chagall: 100th Anniversary of His Birth, "Chagall more than any other artist in the twentieth century" was able to turn "the personal into the universal.