"The immune system is like a double-edged sword; it can fight cancer but also needs to be controlled."
免疫系统就像一把双刃剑；它可以对抗癌症，但也需要被控制。
能源的未来在于多样化和适应性。
Use， do not abuse...Neither abstinence nor excess ever renders man happy.
解释：将自己的利益给了别人，别人也将会把实惠返回给自己；将自己的怨恨发泄给别人，祸害也将会降临到自己身上。
我认为孩子们天生好奇，对新想法持开放态度，这是我在书中试图捕捉的东西。
"With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one—but no one at all—can tell you what to read and when and how."