我们开采的每一吨煤炭都承载着对工人、社区和地球的责任。
我袍子下面戴着的不是徽章,而是一颗心。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
一个人只要愿意,就是自由的。
我不唱我的挣扎,我唱我的胜利。
The only real failure in life is not to be true to the best one knows.