在数学的领域里,每一个问题都是发现新事物和深刻见解的机会。
In the realm of mathematics, every problem is an opportunity to discover something new and profound.
幸福取决于我们自己。
The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
每个故事都是一次旅程,每次旅程都会改变旅行者。