Unknown Japanese Proverb, popularized by various martial artists

Persistence Above All: The Journey from White to Black Belt

Finally, many who attain the coveted black belt realize it is not an endpoint but a new beginning. In many Japanese traditions, the black belt wearer starts over as a student of deeper truths, embracing the humility of a perpetual learner. Thus, the proverb’s wisdom comes full circle, encouraging all—inside and outside the dojo—to combine persistence with humility and gratitude for every step along the way. [...]