我相信，每个性格都有一种倾向于某种特定邪恶的倾向，一种天生的缺陷，即使最好的教育也无法克服。
There is, I believe, in every disposition a tendency to some particular evil, a natural defect, which not even the best education can overcome.
我们开采的每一块煤都在为某个家庭点亮灯光。
文学是人类经验的记录。
Challenges are opportunities to demonstrate what our industry is capable of.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
一家公司的真正价值在于它的员工以及他们对卓越的承诺。