習うより慣れろ（ならうよりなれろ）

Japanese vocabulary

Meaning: experience is the best teacher; custom makes all things easy; you learn best by doing; practice makes perfect; it is better to grow accustomed than to be taught

See it used in real works

• Example sentences from Japanese novels & web fiction (Massif)
• Hear “習うより慣れろ” pronounced in real videos (YouGlish)