'Have you realized that most of your unhappiness in life is due to the fact that you are listening to yourself instead of talking to yourself? Take those thoughts that come to you the moment you wake up in the morning. You have not originated them but they are talking to you, they bring back the problems of yesterday, etc. Somebody is talking. Who is talking to you? Your self is talking to you. Now this man’s treatment [in Psalm 42] was this: instead of allowing this self to talk to him, he starts talking to himself. “Why art thou cast down, O my soul?” he asks. His soul had been depressing him, crushing him. So he stands up and says,: “Self, listen for moment, I will speak to you.”' D. Martyn Lloyd-Jones
John Piper expands on this quote, paraphrasing from Romans 8:31-25, in his sermon on Psalm 42. "Listen, self: If God is for you, who can be against you? He who did not spare his own Son but gave him up for you, how will he not also with him graciously give you all things? Who shall bring any charge against you as God’s elect? It is God who justifies. Who is to condemn? Christ Jesus is the one who died—more than that, who was raised—who is at the right hand of God, who indeed is interceding for you. Who shall separate you from the love of Christ?"
Read the sermon by John Piper: Spiritual Depression in the Psalms.
