保持饥饿，保持愚蠢

凡是在地方上做官的人，知道自己的职责吗？应该是百姓的仆役，而不是役使百姓的人

A good picture book should be a collaboration between words and images, where each enhances the other.

The beauty of mathematics only shows itself to more patient followers.

High-quality development in the coal industry must prioritize safety first.

Reason obeys itself; and ignorance submits to whatever is dictated to it.

优良的马匹不好驾驭，但是可以载重物跑得很远；有才能的人不好驱使，但是可以使国君更加受人尊敬。