Experience teaches us that thought does not express itself in words, but rather realizes itself in them

Human learning presupposes a specific social nature and a process by which children grow into the intellectual life of those around them

By giving our students practice in talking with others, we give them frames for thinking on their own.

... People with great passions, people who accomplish great deeds, people who possess strong feelings, even people with great minds and a strong personality, rarely come out of good little boys and girls.

The distance between the actual developmental level as determined by independent problem solving and the level of potential development as determined through problem solving under adult guidance or in collaboration with more capable peers

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

A child’s greatest achievements are possible in play, achievements that tomorrow will become her basic level of real action.