如果你活着,你就得挥舞胳膊腿,上蹿下跳,制造噪音,因为生命与死亡截然相反。
写作是一种乐观的行为。如果你觉得它不重要,你就不会费心去做。
The beauty of mathematics lies not only in its abstract elegance but also in its profound ability to model and solve real-world problems.