The child begins to perceive the world not only through his [or her] eyes but also through his [or her] speech
Lev S. VygotskyThe true direction of the development of thinking is not from the individual to the social, but from the social to the individual.
Lev S. VygotskyLearning 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.
Lev S. Vygotsky