井蛙は以って海を語る可からず（せいあはもってうみをかたるべからず）

Japanese vocabulary

Meaning: a narrow-minded person cannot understand the ways of the world; a frog in the well cannot understand the ocean even if it is explained to it

See it used in real works

• Example sentences from Japanese novels & web fiction (Massif)
• Hear “井蛙は以って海を語る可からず” pronounced in real videos (YouGlish)