Quick answer
Clean heart, gracious speech, royal friendship: the pattern the sages observed. That combination is what thrones are starving for.
Read both lines
The qualifications stack inward-out. The heart first: he loves purity, prefers clean motives the way other men prefer advantage. Then the lips: grace on them, the speech this book calls honeycomb (16:24) and kings call a delight (16:13). Then the outcome: the highest trust the ancient world could name. The logic is scarcity. Power attracts performers and flatterers, so the man whose heart needs no monitoring and whose mouth needs no decoding becomes priceless exactly where deception is thickest. Joseph and Daniel wore this verse as biography, and its two qualifications remain the rarest pairing in any court: character that holds unaudited, and speech that stays gracious when candor is dangerous.
Related: Proverbs 16:13 · Daniel 6:1–3 · Matthew 5:8
New King James Version®, Copyright © 1982, Thomas Nelson. All rights reserved. Full copyright information. Scripture provided by API.Bible.
Go Deeper
If this verse has been used to put weight on you that it was never carrying, ask about it directly.