expression
an accomplished person does not find fault with others; it is petty to criticize
Proverb meaning that a truly skilled or great person does not waste time criticizing others; they focus on their own path.
「名人は人を謗らず」というから、他人の悪口を言うのはやめよう。
As the proverb says, 'an accomplished person does not find fault with others,' so let's stop speaking ill of others.