" When the child begins to think and to make use of the written language to express his rudimentary thinking, he is ready for elementary work; and this fitness is a question not of age or other incidental circumstance but of mental maturity. "
- Maria Montessori

When a child starts to think independently and uses written language to express their initial thoughts, they are prepared to begin elementary education. According to Maria Montessori's perspective, readiness for formal schooling is determined by mental development rather than age or other external factors.

Montessori’s statement highlights the importance of cognitive milestones over chronological ones in educational contexts. She emphasizes that each child should be assessed based on their individual intellectual growth and their capacity to engage with more structured learning environments. This approach contrasts sharply with traditional education systems, which often rely solely on age as a criterion for advancing students through different grades. By focusing on mental maturity, Montessori’s philosophy suggests that educators must tailor educational experiences to match the child's cognitive readiness, ensuring that each learner receives instruction appropriate to their stage of development.

Maria Montessori was an Italian physician and educator who developed the Montessori method of education in the early 20th century. Her approach revolutionized traditional schooling by placing great emphasis on self-directed learning, hands-on activities, and respect for the developmental stages of children. This quote encapsulates her belief that understanding a child’s cognitive capabilities is crucial for providing them with the right educational support at the right time.