质量不是目标;它是一个旅程。
Quality is not a goal; it is a journey.
The essence of mathematics lies in its freedom.
数学中最令人兴奋的时刻是当你发现两个看似不相关的领域有着深刻的联系。
Certification standards are the compass for responsible forestry.
我不是信徒,我是怀疑论者。