生命诚可贵，道义价更高，“舍身取义”传唱千年，为了国家和民族，为了道义，无数仁人志士抛头颅酒热血，九死不悔。

Time present and time past are both perhaps present in time future, and time future contained in time past.

The theory of computation is not just about solving problems, but also about understanding the limits of what can be computed.

我们开采的每一块石头都诉说着坚持与精确的故事。

This was a very short visit, but it plunged the little prince into deep dejection.

我不完美，但我正在努力。