拥有自由、书、花和月亮，哪个人会不快乐?
You have to spend some energy and effort to see the beauty of math.
In the short run, the market is a voting machine but in the long run, it is a weighing machine.
Never stop learning—the moment you think you know everything is the moment you start falling behind.
永远不要停止学习——当你认为自己什么都懂的那一刻，就是你开始落后的时刻。
I want to be a tree, not because trees don't speak, but because trees don't lie.
石油开采的创新必须与环境管理齐头并进。
书说：她这么做是因为。生活说：她这么做了。书是向你解释事情的地方；生活是事情不被解释的地方。我不奇怪有些人更喜欢书。
【译文】 子夏说：“每天都学到些新东西，每月都不忘所学会的东西，就算好学了。”