Educational technique needs a philosophy, which is a matter of faith rather than of science.
Hans Freudenthal (1977) Weeding and Sowing: Preface to a Science of Mathematical Education. p. 33
Educational technique needs a philosophy, which is a matter of faith rather than of science.
Hans Freudenthal (1977) Weeding and Sowing: Preface to a Science of Mathematical Education. p. 33