If you have your Bibles, I'd invite you to turn with me to Psalm 86, and you will notice as you turn to this Psalm that it is a Psalm of David. Now, there's nothing surprising about a Psalm of David. There is something unique about a Psalm of David in the Third Book of the Psalms. This is the only Psalm of David in the Third Book of the Psalms. The Psalms are divided into three books, and we've been studying this Third Book that takes us all the way to Psalm 89. This is the only Psalm or prayer of David in the Third Book of the Psalms, and interestingly, like some of the other Psalms around it, there is a solemn, somber mood to this Psalm. David feels alone, he feels isolated, he feels under duress, under persecution. He's crying out for God's help and salvation, His…