You have to be willing to make mistakes; the big thing is to not make the same mistake over and over again.

书籍可能是危险的。最好的书应该贴上“这可能会改变你的生活”的标签。

In scientific work, those who refuse to go beyond fact rarely get as far as fact.

我们是共同的历史，共同的书。我们在品味或经验上不是被拥有或一夫一妻的。