Arthur Schopenhauer Quotes about Past
Arthur Schopenhauer (2015). “Studies in Pessimism: Top of Schopenhauer”, p.35, 谷月社
Arthur Schopenhauer (2012). “Collected Essays of Arthur Schopenhauer”, p.226, Simon and Schuster
Arthur Schopenhauer (2004). “On the Suffering of the World”, p.129, Penguin UK
Arthur Schopenhauer (2012). “Collected Essays of Arthur Schopenhauer”, p.225, Simon and Schuster