King James Version (KJV)
He that loveth pureness of heart, for the grace of his lips the king shall be his friend.
Modern English
He who loves purity of heart, and whose speech is gracious, will have the king as his friend.
Hebrew
אֹהֵ֣ב טְהָר לֵ֭ב חֵ֣ן שְׂפָתָ֑יו רֵעֵ֥הוּ מֶֽלֶךְ׃
ʾoheb ṭhar leb ḥen shpatayv reʿehv melek