This verse is a prayer for protection and guidance. The metaphor of being the "apple of your eye" refers to being someone's cherished or beloved possession, and the phrase "hide me in the shadow of your wings" is a metaphor for finding shelter and protection under God's care.
The psalmist is asking God to watch over them and keep them safe from harm, just as a person would carefully protect and cherish something that is valuable to them. It expresses a deep trust in God's ability to provide comfort and protection in times of trouble.
Psalm 17 is a prayer of King David who faced many challenges and trials throughout his life. In this particular psalm, David is asking God to vindicate him against his enemies who are persecuting him unjustly. He begins by affirming his own righteousness and integrity before God, and then goes on to plead for God's protection and guidance.
Verse 8, "Keep me as the apple of your eye; hide me in the shadow of your wings," is a powerful expression of David's trust in God's care and protection. The metaphor of being the "apple of your eye" suggests that David is asking God to look upon him with favor, just as a person would look upon something that they cherish deeply.
The phrase "hide me in the shadow of your wings" is another metaphor that suggests God's protection and care. The image of a bird spreading its wings over its young to shield them from danger is a powerful symbol of God's love and protection.
In essence, Psalm 17:8 is a prayer for God's guidance and protection in the midst of trials and tribulations. It expresses a deep trust in God's ability to provide comfort and protection to those who seek refuge in Him.