Thomas Brooks emphasizes the profound comfort and assurance found in God's ever-present help during times of trouble. He reflects on Isaiah 43:1-3, highlighting that God's presence is a unique and invaluable mercy that enhances all other blessings in life. Brooks encourages believers to be grateful for this divine companionship, especially in their darkest moments, as it brings peace and strength to the soul. He reminds the congregation that God's promise to be with us is a source of hope and security, urging them to continually praise Him for His unwavering support.