【译文】 孔子说：“生来就知道的，是上等人；学习后才知道的，是二等人；遇到困难才学习的，是三等人；遇到困难也不学习的，这就是下等人了。”
好的设计是隐形的；只有当它不好时你才会注意到。
It is vain to talk of the interest of the community， without understanding what is the interest of the individual.
The best stories are those that make us question ourselves.
伟大的领导者倾听多于发言。
在你20多岁的时候，是开始投资你人际关系的最佳时机。
在数学中，提出问题的艺术必须比解决问题更有价值。
Traditional methods have wisdom, but sustainability requires us to evolve beyond them when necessary.
The state of nature has a law of nature to govern it, which obliges every one: and reason, which is that law, teaches all mankind, who will but consult it, that being all equal and independent, no one ought to harm another in his life, health, liberty, or possessions.