"Books are not just objects; they are experiences, and they change us."

The string is a stark data structure and everywhere it is passed there is much duplication of process. It is a perfect vehicle for hiding information.

The great philosophers are those who have made a difference in the way we think about the world and our place in it.

释义：内心纷杂不净，难以领悟真理；意志不坚定，难以成就功业。

不容忍他人的观点（无论他们多么无知或不连贯）不仅仅是错误的；在一个没有对错之分的世界里，情况更糟：这是一个你令人尴尬地不成熟或可能是危险的迹象。