The document discusses several abstract artists and their philosophies of abstractionism. It explains that abstract artists like Kandinsky, Mondrian, and O'Keeffe shifted away from representational art to focus on expressing emotions and revealing spiritual truths through arrangements of color, line, and form. The document also notes that abstractionism developed from earlier movements like Impressionism and Cubism and that abstract artists believed their work was a process, not an end goal, to uncover deeper understandings of the universe.