化工行业有责任在减少环境影响方面发挥带头作用。

The rocks we extract tell Earth's story; we're just temporary custodians of this legacy.

History has neither the desire nor the capacity to make men better or worse; it merely records what they have been and what they have done.

居家时不是有才德的人，入朝做官也不是好官。小时候不是一个好的学生，将来不能够成为一个有才德的人。

I think it would be a disaster. The extraterrestrials would probably be far in advance of us. The history of advanced races meeting more primitive people on this planet is not very happy, and they were the same species. I think we should keep our heads low.

没有什么目标是高不可攀的，但人必须小心而自信地攀登。