三人行,必有我师

sān rén xíng , bì yǒu wǒ shī

lit. if three walk together, one can be my teacher (idiom, from the Analects of Confucius)

you have sth to learn from everyone

sān

three

rén

person; people

xíng

(bound form) to walk; to go; to travel

,

certainly

yǒu

to have; there is

I; me; my

shī

teacher