„Look not mournfully into the Past. It comes not back again. Wisely improve the Present. It is thine. Go forth to meet the shadowy Future, without fear, and with a manly heart.“
— Henry Wadsworth Longfellow American poet 1807 - 1882
Hyperion http://www.gutenberg.org/etext/5436, Bk. IV, Ch. 8 (1839).