不要为成功而努力，要为做一个有价值的人而努力。
Try not to become a man of success but rather try to become a man of value.
最动听的话不是“我爱你”，而是“它是良性的”。
In mathematics, persistence is often more important than brilliance.
我们必须挑战现状，寻找更好的做事方法。