From a common on this post Alan Kay shares a quote from Jerome Bruner that he is "a bit enthusiast about"
*for every learner you can (and need to) find an intellectually honest version of a subject they can learn if you heed their level of development
This page reveals the following quotes from Bruner
We begin with the hypothesis that any subject can be taught effectively in some intellectually honest form to any child at any stage of development. (ibid.: 33)
Which [this] by Steve Wheeler talks about Bruner's work on the scaffolding of learning. Links Bruner's work with Vygotsky and the Zone of Proximal Devellopment