The preservation of the means of knowledge among the lowest ranks is of more importance to the public than all the property of all the rich men in the country.
事实是,我不是一个很好的人。但我正在努力变得更好。
I have so much admiration for women who are married, have kids, and work full time. I don't know how you do it. I don't think I could.
The development of computational complexity theory has shown us that not all problems are created equal.
可持续性不是一种趋势,而是我们对未来的责任。