Concerning the gods, I have no means of knowing whether they exist or not or of what sort they may be. Many things prevent knowledge including the obscurity of the subject and the brevity of human life.

成功人士与其他人之间的唯一区别就是努力工作。

森林教会我们耐心，因为成长需要时间。

教学是我最伟大的艺术作品。

We don't just mine coal, we power the nation.

设计系统最难的部分是决定构建什么。