It was created near the end of his prolific life.
Blue Nude II (Nu bleu II) by Henri Matisse
The essence and definition of painting is, the imitation of visible objects, by means of form and colors: Wherefore the more, forcibly and faithfully painting imitates nature, the more directly and rapidly does it lead us to its end, which is to deceive the eye; and the surer proofs does it give us of its true idea.