Correct

三人行,必有我师

/ sānrénxíng, bì yǒu wǒ shī /
Strokes

Definition

lit. if three walk together, one can be my teacher (idiom, from the Analects of Confucius)/you have sth to learn from everyone

Example

Definition

where there are three men walking together, one of them must be qualified to be my teacher