Do not try to change the outer world; change your inner world, and the outer world will adjust itself.
"To read is to travel without moving, to explore without leaving home."
至今一切社会的历史都是阶级斗争的历史,即剥削阶级和被剥削阶级之间、统治阶级和被压迫阶级之间斗争的历史。
"The past is a puzzle, and the historian is the person who tries to put the pieces together."