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."

数学的进步是通过它能解决的问题数量来衡量的。

团结起来，我们就可以帮助确保每个进入餐厅的家庭都能做出简单、健康的选择。

"In the end, we will remember not the words of our enemies, but the silence of our friends."

分子的语言是通用的，而我们才刚刚学会说它。

I am tomorrow, or some future day, what I establish today. I am today what I established yesterday or some previous day.

If liberty means anything at all, it means the right to tell people what they do not want to hear.

"In the silence of a scene, the truth of the character speaks the loudest."