The prepared environment should reflect that amount of organisation and order necessary for a community to function properly. The rules used to achieve this should be valid for all.

Mario Montessori Jr, Education for Human Development

While he is passing through a phase of active construction of his psyche, the child often feels the deepest impulse to bring order into what, according to his logic, is in a state of confusion.

Maria Montessori, The Absorbent Mind