There is reason to believe that voluntary activity, more than highly developed intellect, distinguishes humans from the animals which stand closest to them.

A word devoid of thought is a dead thing, and a thought unembodied in words remains a shadow.

The teacher must adopt the role of facilitator not content provider.

Through others we become ourselves.

What children can do with the assistance of others might be in some sense even more indicative of their mental development than what they can do alone

Thought is not merely expressed in words, it comes into existence through them

Learning is more than the acquisition of the ability to think; it is the acquisition of many specialized abilities for thinking about a variety of things.