This document is a letter from a professor to their students discussing the value of classroom teaching and discussions. The professor argues that students need classroom discussions to gain new insights into course texts from different viewpoints presented by the professor and other students. The professor provides examples from their jurisprudence class where students' discussions of cases helped them better understand the relationship between law and morality. The professor encourages students to actively participate in discussions to make teaching more enjoyable and to help each other learn.