When the teacher has once obtained the mastery over the experiments he will never after be willing to teach without them; for, as an honest teacher, he will know that he cannot teach without them.


Sound, Preface (p. 6)

Alfred M. Mayer Quotes

When the teacher has once obtained the mastery over the experiments he will never after be willing to teach without them; for, as an honest teacher,...

When the teacher has once obtained the mastery over the experiments he will never after be willing to teach without them; for, as an honest teacher,...

When the teacher has once obtained the mastery over the experiments he will never after be willing to teach without them; for, as an honest teacher,...

When the teacher has once obtained the mastery over the experiments he will never after be willing to teach without them; for, as an honest teacher,...