I have always detested any departure from reality, an attitude which I relate to my mother's poor mental health.

Play is the work of childhood.

Education, for most people, means trying to lead the child to resemble the typical adult of his society . . . but for me and no one else, education means making creators. . . . You have to make inventors, innovators...not conformists

Every acquisition of accommodation becomes material for assimilation, but assimilation always resists new accommodations.

Are we forming children who are only capable of learning what is already known? Or should we try to develop creative and innovative minds, capable of discovery from the preschool age on, throughout life?

Logic and mathematics are nothing but specialised linguistic structures.

This means that no single logic is strong enough to support the total construction of human knowledge.