Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.
Change your life today. Don't gamble on the future, act now, without delay.
Every material has its own memory and history.
理论计算机科学的美在于其抽象和概括的能力，将具体问题转化为普遍真理。
Don't be afraid to take risks in your career.
当你的工作对人们的生活产生积极影响时，真正的成功就来了。
We are what we pretend to be, so we must be careful about what we pretend to be.