And later it is not just seeing but acting that becomes informed by words. Cultural inheritance is carried in the meanings of artifacts and practices. Resources of knowledge and skill brought to a situation depend upon the past participation of the individual within the culture.
Resources are dependent upon culture, also the stage of human development.
Knowledge within a discipline is important, but solving problems that encourage students to go beyond their current skill and knowledge level further development of higher functions beyond the bounds of that discipline. By implication, new knowledge can be built. Education should help us act to improve our human situation. Vygotsky's interest was intellectual development rather than knowledge. As he questioned how humans, in their short lifespans, advanced so far and in such diverse directions, he examined the interrelations between thought and language.