The question is, are we happy to suppose that our grandchildren may never be able to see an elephant except in a picture book?

There is no sin except stupidity.

Education is one of the most powerful tools we have for reducing inequality and promoting social mobility.

小说是作家与读者跨越时间的对话。

我们所看到的不是简单地给予的，而是通过复杂过程积极构建的。

The best performance improvement is the transition from the nonworking state to the working state.

技术是一种可以赋予人们力量的工具，但它必须考虑到包容性来设计。