在弦理论的景观中，可能有10^500种不同的真空状态，每种状态对应一个不同的可能宇宙。
In the landscape of string theory, there are perhaps 10^500 different vacuum states, each corresponding to a different possible universe.
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."
Civilization is not inherited; it has to be learned and earned by each generation anew.
如果你不能飞，那就跑；如果你不能跑，那就走；如果你不能走，那就爬。但无论怎样，你必须继续前进。