"Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors, and the most patient of teachers."
书籍是最安静、最恒久的朋友；它们是最易接近、最明智的顾问，也是最耐心的老师。
The only thing I can rely on is my own perception and that is always changing.
小花睡在尘土里，它寻求蝴蝶走的路。
Cognitive processes are rule-governed transformations of symbolic structures.
Those who make peaceful revolution impossible will make violent revolution inevitable.
