你享受浪费的时间并不算白白浪费。

If you want to walk fast, walk alone. If you want to walk far, walk together.

真相很少是纯粹的，也从不简单。

如果历史以故事的形式教授，它将永远不会被遗忘。

The true wealth of mining lies not just in the ore extracted, but in the lives we uplift.

The best way to learn is by doing.

Writing is making sense of life. You work your whole life and perhaps you've made sense of one small area.

至今一切社会的历史都是阶级斗争的历史，即剥削阶级和被剥削阶级之间、统治阶级和被压迫阶级之间斗争的历史。