When you have solved the problem of controlling the attention of the child you have solved the entire problem of its education Maria Montessori

When you have solved the problem of controlling the attention of the child you have solved the entire problem of its education Maria Montessori
When you have solved the problem of controlling the attention of the child you have solved the entire problem of its education Maria Montessori

When you have solved the problem of controlling the attention of the child you have solved the entire problem of its education Maria Montessori

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