Constructive: Considering the topic is Teaching without Teaching, your use of lecturing is still driven from the educator and does not exactly achieve this goal of teaching without teaching due to the fact that the teacher would still be giving the students a prepackaged concept.
Percy: Make sure you add a quote from Percy (or Freire) to support what you are saying. How does Percy distinguish that students should be teaching?
Praise: I believe discussions achieve the idea of teaching without teaching, Percy believes that students should avoid the educators presentation and Freire believes that students should fight for their emancipation and Percy believes students must fight for their sovereignty