General Information:

These verses continue the "thirty sayings" (Proverbs 22:20).

Apply your heart to

This is an idiom. See how you translated this in Proverbs 22:17. AT: "Do your best to understand and remember" (See: rc://en/ta/man/translate/figs-idiom)

Possible meanings are 1) "what people who know what is right and what is wrong tell you" or 2) "what people say and do when they correct you."

The ellipsis can be filled in. AT: "apply your ears" or "listen carefully" (See: rc://en/ta/man/translate/figs-ellipsis)

"to me when I tell you what I know"