1)
How will it save you from a bad path?
1.
Malbim: You will not err from the ways of Chachmah, to the side of evil and desire. Via deep thoughts in Chachmah you will be saved from enticements of desire. The Yetzer ha'Ra is found only in a heart empty of Chachmah.
2)
Who is "Ish Medaber Tahpuchos"?
1.
Rashi: It is an Apikoros, who makes Yisrael veer from Emunah, and switches the Torah to evil.
2.
Malbim: It is one who denies the roots of Emunah via false investigations and deceptive comparisons which are the opposite of Emes.
3)
How will Tevunah guard you from "Ish Medaber Tahpuchos"?
1.
Malbim: You will know what to answer an Apikoros.
