The quest for a unified theory of physics is one of the greatest intellectual adventures of our time.
可持续发展不仅仅是一个流行词，它是负责任的林业的基础。
有人说，所有人都应该像奴隶一样干活儿，这样可能会让他们效率低下，但也能让他们持续保持工作状态——我对此并不感冒。那种方式不可能奏效。
War is an ugly thing， but not the ugliest of things: the decayed and degraded state of moral and patriotic feeling which thinks that nothing is worth a war， is much worse.
"I think that poetry is a way of thinking, a way of being in the world."