Freud's most sustained account of the power of sexual sublimation to fuel scientific and artistic genius is found in his Leonardo da Vinci and a Memory of His Childhood, published in 1910. This article argues that Freud chose Leonardo as the perfect example of sublimation because of his close reading of the then quite popular historical novel Leonardo da Vinci, written by a poet and author of the Russian Silver Age, Dmitrii Merezhkovskii. The central point of Freud's theory of sublimation, that sexuality is at the root of human knowledge and creativity, is developed by Merezhkovskii, but from the religious-philosophical perspective of Silver Age symbolism. Freudian sublimation, as a psychological theory, was developed in dialogue with a Russian religious understanding of Eros and its power. Freud essentially rewrote Merezhkovskii's story of Leonardo, reducing Merezhkovskii's philosophy of Eros to the more “scientifically” grounded theory of sexual sublimation.