三人行けば必ず我が師有り（さんにんゆけばかならずわがしあり）

Japanese vocabulary

Meaning: something can be learned from anyone; if three walk together, I'll have a teacher

See it used in real works

• Example sentences from Japanese novels & web fiction (Massif)
• Hear “三人行けば必ず我が師有り” pronounced in real videos (YouGlish)