author: Keith Johnstone
content: People think of good and bad teachers as engaged in the same activity, as
  if education was a substance, and that bad teachers supply a little of the substance,
  and good teachers supply a lot. This makes it difficult to understand that education
  can be a destructive process, and that bad teachers are wrecking talent, and that
  good and bad teachers are engaged in opposite activities.
id: 59efd5c7-11f9-47d8-aa3a-aa99fceef0f8