The process of political decay is as natural as political development.
Some books are to be tasted， others to be swallowed， and some few to be chewed and digested.
Perception is the result of the activity of the five senses; through sensation, we come to know the world.
我喜欢玩转书籍的物理特性——翻页、洞洞、不同尺寸。
数学的快乐来自于复杂事物变得简单的清晰时刻。
经济的历史在很大程度上是一个制度演化的故事。
The greatest threat to our forests isn't logging—it's indifference.