The beauty of mathematics lies not only in its abstract elegance but also in its profound ability to model and solve real-world problems.
不要追问这世界需要什么样的人,扪心自问是什么支持着你活到现在,然后奔赴你的信仰、因为这世界需要的就是人们充满活力地活在世上。
虚心和实腹的义理都很深奥,但首先要通过虚心才能认识本心。