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In page Where Do We Come From? What Are We? Where Are We Going?:

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Looking for a society more simple and elemental than that of his native France, Gauguin left for Tahiti in 1891. In addition to several other paintings that express his highly individualistic mythology, he completed this painting in 1897 or 1898. Gauguin considered it a masterpiece and the grand culmination of his thought. He was in despair when he undertook the painting, mourning the tragic death of his favourite daughter earlier in the year and oppressed by debts, and had planned to kill himself on finishing it. He subsequently made an unsuccessful attempt with an overdose of arsenic. Thomson thinks it quite possible that he only painted in the inscription while recovering from the attempt.[3][4][5]