English: “Who has not slandered with his tongue” — this is Yaakov our father, who said “Perhaps my father will feel me.”
On the daf / in context: Yaakov’s hesitation and his refusal to justify himself in advance are taken as the model of one who does not “slander with his tongue.”
Type of Learning
Custom (Bavli — Yaakov as the model of clean speech)
What Is Learned
Yaakov’s reluctance and his “perhaps my father will feel me” exemplify the trait of not speaking ill or justifying oneself improperly; he is the prototype of “who has not slandered with his tongue.”