I went to the woods because I wished to live deliberately. I wanted to live deep and suck out all the marrow of life, to put to rout all that was not life.

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."

If something is boring after two minutes, try it for four. If still boring, then eight. Then sixteen. Then thirty-two. Eventually one discovers that it is not boring at all.

The only person you should try to be better than is the person you were yesterday.

爱因斯坦当他说“上帝并不掷骰子”的时候是错误的。思考到黑洞的因素，上帝不仅仅仅玩骰子，他还经常把他们扔到我们看不到的地方来使我们迷惑。