King James Version (KJV)
The heaven for height, and the earth for depth, and the heart of kings is unsearchable.
Modern English
As the heavens for height, and the earth for depth, so the heart of kings is unsearchable.
Hebrew
שָׁמַ֣יִם לָ֭רוּם וָאָ֣רֶץ לָעֹ֑מֶק וְלֵ֥ב מְ֝לָכִ֗ים אֵ֣ין חֵֽקֶר׃
shamayim larvm vaʾareṣ laʿomeq vleb mlakiym ʾeyn ḥeqer