Complete Proverbs 22:6: "Train up a child in the way he should go, and when he is old…"

Answer: he will not depart from it

"Train up a child in the way he should go, and when he is old he will not depart from it."

“Train up a child in the way he should go, and when he is old he will not depart from it.”— Proverbs 22:6 (BSB)