1)
What is the meaning of "Pera'ehu"?
1.
Rashi: Nullify it.
2.
Malbim: You must ruin this path. Know what to answer an Apikoros.
2)
If you will abolish the path, surely you will not go on it!
1.
Malbim: If you cannot ruin it, at least do not go on it.
3)
What is the meaning of "Sete me'Alav"?
1.
Rashi: Veer from it.
2.
Malbim: If you already encountered this path (you looked into their investigations and mindsets), veer from it, and cross to the way of Torah and Emunah.