抽象允许一种自由，而具象有时无法做到。

人们通常没有意识到，所有的作家，即使是最伟大的作家，首先和最后也都是读者。

We don't inherit the earth from our ancestors; we borrow it from our children.

Energy security is a crucial part of national strategic security, and we must firmly keep it in our own hands.

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

对于好的建议，唯一能做的就是传递它。它对自己从来没有任何用处。