The Bible teaches baptism is a symbol of our dedication to serve Jehovah. Total immersion of the body under the water signifies our death to our former sinful way of life and coming up out of the water to a new life. Infants can not make that dedication.
This is absolutely amazing A picture is worth a thousand words. Remember to have compassion for the elderly in your life. The person they once were is still a part of who they are today. Remember them, love them, respect them.