sān​rén​xíng​bì​yǒu​wǒ​shī​yān

three people walking together must include my teacher

三人行,必有我师焉 三人行,必有我師焉 sān​rén​xíng​bì​yǒu​wǒ​shī​yān
three people walking together must include my teacher
well-known Confucian saying from the Analects implying that whenever three people walk together, there is always someone among them who can serve as a teacher from whom one can learn