Law is a system of rules, a union of primary rules of obligation and secondary rules of recognition, change, and adjudication.

你的工作将占据你生活的很大一部分，唯一能真正满足的方法就是做你认为伟大的工作。

能源的未来在于传统化石能源与可再生能源的融合发展。

世界是一首伟大的诗，我们是其中的诗句。

"The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all."