Henri Frédéric Amiel, Amiel's Journal: The Journal Intime of Henri-Frédéric Amiel
“ December 4, 1863.—The whole secret of remaining young in spite of years, and even of gray hairs, is to cherish enthusiasm in one’s self by poetry, by contemplation, by charity—that is, in fewer words, by the maintenance of harmony in the soul. When everything is in its right place within us, we ourselves are in equilibrium with the whole work of God. Deep and grave enthusiasm for the eternal beauty and the eternal order, reason touched with emotion and a serene tenderness of heart—these surely are the foundations of wisdom. ”
