“And I really am worried about the fact that we are undermining mathematical rigor, in fact we are undermining all rigor, by emphasizing the engagement side of what this computer can contribute to education, and we have to do something about this or it’s going to kick back at us.”
Papert, S. (2004) Keynote address at the i3 1 to 1 Notebook Conference. Sydney, Australia. May 31 – June 2004. 38:48 into video.