来吧，一旦你觉得自己懂得了什么，就必须换一种角度来看。这可能显得很荒唐或者愚蠢，但必须试一下。
The secondary rules are those that provide for the creation, alteration, and extinction of primary rules.
孔子说：“譬如堆山，还差一筐，没堆成就停了，功亏一篑是自己造成的；譬如填坑，只倒一筐，继续填下去，坚持不懈是自己决定的。”
The absence of alternatives clears the mind marvelously.
制革厂的遗产应以其对环境的守护来衡量。
进步的关键在于坚持和好奇心。
Life is too short to live it twice, but literature gives us the chance to live thousands of times.
The most valuable crop we can grow is the next generation of farmers.