The principal agent is the object itself and not the instruction given by the teacher. It is the child who uses the objects; it is the child who is active, and not the teacher.

Conventions which camouflage a man's true feelings are a spiritual lie which help him adapt himself to the organized deviations of society.

The first thing required of a teacher is that he be rightly disposed for his task.

Little children, from the moment in which they are weaned, are making their way toward independence.

Every great cause is born from repeated failures and from imperfect achievements.

The child is both a hope and a promise for mankind.

The child’s progress does not depend only on his age, but also on being free to look around him.