It is almost possible to say that there is a mathematical relationship between the beauty of his surroundings and the activity of the child; he will make discoveries rather more voluntarily in a gracious setting than in an ugly one.

If an educational act is to be efficacious, it will be only that one which tends to help toward the complete unfolding of life. To be thus helpful it is necessary rigorously to avoid the arrest of spontaneous movements and the imposition of arbitrary tasks.

Teach by teaching, not by correcting

Growth and psychic development are therefore guided by: the absorbent mind, the nebulae and the sensitive periods, with their respective mechanisms. It is these that are hereditary and characteristic of the human species. But the promise they hold can only be fulfilled through the experience of free activity conducted in the environment.

... the first thing his education demands is the provision of an environment in which he can develop the powers given him by nature. This does not mean just to amuse him and let him do what he likes. But it does mean that we have to adjust our minds to doing a work of collaboration with nature, to being obedient to one of her laws, the law which decrees that development comes from environmental experience.

The needs of mankind are universal. Our means of meeting them create the richness and diversity of the planet. The Montessori child should come to relish the texture of that diversity.

If I am going up a ladder, and a dog begins to bite at my ankles, I can do one of two things - either turn round and kick out at the it, or simply go on up the ladder. I prefer to go up the ladder!