The purpose in a man's mind is like deep water, but a man of understanding will draw it out.
Who can search out our crimes? We have thought out a cunningly conceived plot.” For the inward mind and heart of a man are deep!
The words of a man's mouth are deep waters; the fountain of wisdom is a gushing stream.
The sluggard does not plow in the autumn; he will seek at harvest and have nothing.
Many a man proclaims his own loyalty, but a faithful man who can find?
For what person knows a man's thoughts except the spirit of the man which is in him? So also no one comprehends the thoughts of God except the Spirit of God.