一本好书是一次伟大的冒险。

We must be vigilant and resolutely fight against all enemies, both internal and external.

我不知道怎么写那样的歌，不知道该用什么词。等你想到了告诉我。

The meaning of life is to find your gift. The purpose of life is to give it away.

数字计算机背后的思想可以通过说这些机器旨在执行任何可以由人类计算机完成的操作来解释。