Dissatisfied with merely transcribing or reproducing nature, Post-Impressionists sought to translate or interpret it, modifying their observations of nature by their personal feelings about it.
Thus there is a shift from objectivity, where the impulse comes from the object, to subjectivity, where the impulse comes from the subject—that is, from the artist.
A "left wing," comprising artists like Gauguin and Van Gogh, who found Impressionism unsatisfactory because it lacked emotion, imagination, and spirituality
A "right wing," including Seurat and Cézanne, who found Impressionism unsatisfactory because it seemed to lack a sense of order, permanence, discipline, and timelessness. ;