Paul's prayer in Ephesians 1:15-23 reveals three profound spiritual truths for believers. First, we need to understand the hope of our calling in Christ - a confident assurance in God's promises. Second, we must recognize our value as God's inheritance - we are His treasure and delight. Third, we should grasp the boundless power available to us - the same power that raised Jesus from the dead. Paul emphasizes that Christ has supreme authority over all creation, and this same power works in believers when the eyes of our hearts are enlightened through persistent, thankful prayer.