To say something is to perform an action， and to perform an action is to do something with words.

做人就是与自己发生冲突。

When given the choice between being right orbeing kind, choose kind.

在我们社会中，勇气的反面不是怯懦，而是从众。

数学不仅仅是一种工具；它是一种思维方式。