Your joy is your own; your bitterness is your own. No one can share them with you.

A person's thoughts are like water in a deep well, but someone with insight can draw them out.

The LORD gave us mind and conscience; we cannot hide from ourselves.

"Who can understand the human heart? There is nothing else so deceitful; it is too sick to be healed.

But it was to us that God made known his secret by means of his Spirit. The Spirit searches everything, even the hidden depths of God's purposes.

How great are God's riches! How deep are his wisdom and knowledge! Who can explain his decisions? Who can understand his ways?

As the scripture says, "Who knows the mind of the Lord? Who is able to give him advice?