It is impressive how people reinvent the well in all human fields. This is the basis of a lot of the research of soviet psychologist Lev Vygotsky (1896-1934), a

It is impressive how people reinvent the well in all human fields. This is the basis of a lot of the research of soviet psychologist Lev Vygotsky (1896-1934), as in his classic book "Thought and Language". "The tongue is the tool of thought,"