贞节：仅为健康或生育的目的进行房事。爱惜身体，不要损害自己或他人的安宁与名誉。

In an industry as traditional as cement, disruption is the only path to progress.

在互联网行业，唯一不变的就是变化本身。

The universe is a vast and mysterious place, and we are just beginning to understand its secrets.

渔业管理不能只靠政策，更需要行业自律和社会监督。

在科学中，最令人兴奋的短语不是"我发现了！"而是"这有点奇怪..."

只有准备充分，才可能成功。

词汇不仅仅是声音或符号，而是事实的标志。

教育的最大的秘诀是：使身体锻炼和思想锻炼互相调剂。

Freedom is man's capacity to take a hand in his own development. It is our capacity to mold ourselves.