In the end, we are all alone, and that is the fundamental condition of human existence.
对于已经发生的事，感谢它；对于将要发生的事，说“是”！
In the realm of mathematics, every problem is an opportunity to discover something new and profound.
The community is a fictitious body， composed of the individual persons who are considered as constituting as it were its members.
Quality is not a guarantee; it is a commitment.