The heart of kings is unsearchable. — A warning, it may be, against presuming upon the favour of a king from thinking that one knows all that is in his mind. (Comp. Proverbs 23:1-2.)
Related Commentaries of Proverbs 25:3
Proverbs 25:3
3 The heaven for height, and the earth for depth, and the heart of kings is unsearchable.