The proverb suggests that the early years of a person's life are the most important, as this is when they learn the most and develop their basic habits and values. It is therefore important for parents and other caregivers to provide a nurturing and stimulating environment for children during this time, as this will help them to grow into well-rounded and successful adults.
The proverb has also been interpreted more broadly to mean that those who have the most influence over children have the most power in society. This is because children are the future of society, and those who shape their development will have a major impact on the course of society as a whole.
Whatever interpretation one takes, the proverb "The hand that rocks the cradle rules the world" is a powerful reminder of the importance of early childhood education and development.