Proverbs 20:5, 27
Proverbs 20:5 AMP
A plan (motive, wise counsel) in the heart of a man is like water in a deep well, But a man of understanding draws it out. [Prov 18:4]
Proverbs 20:27 AMP
The spirit (conscience) of man is the lamp of the LORD, Searching and examining all the innermost parts of his being. [1 Cor 2:11]