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。
Businesses are not built by one person, but by a group of people.
The older one grows, the more one likes indecency.
在数学的世界里,每个问题都会引出另一个问题,创造出一个连接所有科学领域的无尽知识网络。