The paper industry has a responsibility to lead the way in environmental stewardship.
The whites came to this land for a fresh start and to escape the tyranny of their masters, just as the freemen had fled theirs. But the ideals they held up for themselves, they denied others.
朗兰兹纲领是理解数学更深层次结构的框架。
市场是人类创造物，和所有人类创造物一样，它们可以被改进。
相信有时是件可怕的事。
We are the result of our choices.
