“Psychology teaches us at every step that though two types of activity can have the same external manifestation, whether in origin or essence, their nature may differ most profoundly.” MayTwoPhilosophyLiteratureStepsTeachPsychologyTypeActivityEssenceEducationalManifestationEvery Step Author:Lev S. Vygotsky
“There is reason to believe that voluntary activity, more than highly developed intellect, distinguishes humans from the animals which stand closest to them.” BelieveHumansReasonAnimalActivityIntellectClosest Author:Lev S. Vygotsky