Class Seventeen.

Second answer Mashal (1). A teacher reduces his knowledge to reach his student using different methods, here three are mentioned: 1) He gives only the Chitzoniyus HaSechel. 2) using the means of “Derech Ktzara” 3) using the help of Mashalim. But the reduction is only to the student and not to the teacher who sees through the reduction all of his depth.