The greatest sweetener of human life is Friendship. To raise this to the highest pitch of enjoyment, is a secret which but few discover.
The best way to learn mathematics is to do mathematics.
我们看到自己想看到的，相信自己想相信的。
成功的关键是在事情看起来不可能的时候继续前进。
混凝土不仅仅是材料，它是光的容器。
Gratitude will unlock all other virtues and is something you can get better at
Innovation is the key to the future of coal industry, we must embrace new technologies and ideas.