The mind is not a static entity, but a dynamic process of continual adjustment.
We begin with the hypothesis that any subject can be taught effectively in some intellectually honest form to any child at any stage of development.
The highest activity a human being can attain is learning for understanding because to understand is to be free.
"Writing is a way of life, a way of understanding the world and oneself."
The theory of economic development is the study of how the economic system generates the forces which incessantly transform it.