书籍是镜子:你只能从中看到你内心已有的东西。
The laws of physics are the same in every corner of the universe, a testament to the unity and coherence of the cosmos.
真正的竞争对手从来不是同行,而是用户的旧习惯。
I sent my Soul through the Invisible, Some letter of that After-life to spell: And by and by my Soul return'd to me, And answer'd "I Myself am Heav'n and Hell."