哲學家以不同的方式詮釋這世界，然而重點在於改變這世界。The philosophers have only interpreted the world, in various ways. The point, however, is to change it.

The philosophers have only interpreted the world, in various ways. The point, however, is to change it.
– Karl Marx, Philosopher
哲學家以不同的方式詮釋這世界，然而重點在於改變這世界。

– 卡爾·馬克思 (1818－1883) 猶太裔德國哲學家，解釋工人和資本家間的關係，奠定後來諸多經濟思想的基礎，一生出版大量理論著作，著名作品《共產黨宣言》和《資本論》。