要养活世界,我们必须先了解它。
Mathematics is not a spectator sport—you have to engage with it to appreciate its beauty.
写作就是让自己成为世界灵魂的回声。
我曾经整天不吃饭,整夜不睡觉,去苦苦思索,结果没有益处,还不如去学习。
The past is a place of reference, not a place of residence.