三人行,必有我师 (an expression to show one's open-mindedness) there is always someone to learn from
- 我们都知道三人行必有我师。
We know that two heads are better than one. - 三人行,必有我师。
When I walk in the company of three men,there must be a teacher of mine. - 三人行必有我师。
You can learn from everyone.