This verse highlights the growth and strengthening of a child under the influence of God's grace. The phrase 'waxed strong in spirit' implies a spiritual maturity that surpasses mere physical growth. It suggests a development that encompasses wisdom and inner strength, fostered by divine favor. The 'grace of God' being upon him indicates a special blessing and protection, one that guides, nurtures, and empowers. This verse serves as an inspiration for all who seek spiritual strength and wisdom, reminding us that true growth involves the spirit as well as the mind and body. It calls us to aspire to lives filled with God's grace, where we, too, can grow strong in spirit and be filled with divine wisdom. This passage also emphasizes that God's grace is essential to growth, underscoring the importance of seeking His presence in our lives as we strive to develop character, integrity, and wisdom.