The metals we mine build civilizations, but the relationships we build define our legacy.

有些人不喜欢改变，但如果替代方案是灾难，你就需要接受改变。

Time has no divisions to mark its passage, there is never a thunderstorm or blare of trumpets to announce the beginning of a new month or year.

从老师那里学到一切是学生的责任，充分激发学生的全部潜力是老师的责任。

 一个词的意义不是心智实体，而是社会实践。