The beauty of mathematics is that it is one of the few areas of human endeavor where absolute truth can be known.
数学之美在于它是人类少数几个可以知晓绝对真理的领域之一。
The purpose of life is not to be happy. It is to be useful, to be honorable, to be compassionate, to have it make some difference that you have lived and lived well.
林业实践的创新是平衡经济增长与环境保护的关键。
经验只是我们给错误起的名字。
Curiosity is the catalyst for discovery.