我让我的灵魂穿过无形，拼写出来世的某些信件：不久后我的灵魂回到我身边，回答说“我自己就是天堂和地狱。”
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."
Program testing can be used to show the presence of bugs, but never to show their absence!
I must study politics and war that my sons may have liberty to study mathematics and philosophy.
I write to remember, to not forget.
Mathematics is the language with which God has written the universe.
一切都明明白白，但我们扔匆匆错过，因为你相信命运，因为我怀疑生活。
我们只想看你摇摆