过去永远在那里，但它不是唯一存在的东西。
The past is always there, but it's not the only thing that's there.
The future of coal lies in cleaner technologies and smarter resource management.
I'm the reason you like hip-hop.
We must remember that history is written by the victors, but memory is preserved by the vanquished.
Success is built on consistency, not shortcuts.
拥有好主意的最好方法就是拥有很多主意。
实证研究中最重要的是要清楚你想要回答的问题。
保持安静就是在自我中化解心智。
一个好人生命中最美好的部分：他那些微小、无名、被遗忘的善行和爱。