What does he not put to heart?
Rashi: That he burned half of it in fire.
Why does it say "v'Lo Da'as v'Lo Sevunah"?
Rashi: He does not have knowledge or understanding to say so (I burned half
Here it mentions baking bread on coals. Above, it discusses burning the wood!
Radak: People do both of these. Either they burn the wood to heat the oven and stick [the dough to the walls of the oven], or they bake it on coals.
What is "v'Yisro"?
Radak: It is the left over. This is a noun, like "Yeser ha'Gezem" (Yo'el 1:4).
Why is it called "So'evah"?
Radak: Hashem detested it, and forbade serving them.
Malbim: This refers to one who attributed divinity to the image.
What is "l'Vul Etz"?
Rashi: To rotting wood.
Radak: It is a branch. The same applies to "Ki Vul Harim Yis'u Lo" (Iyov 40:20). The root is Yevul.
Malbim: For one who considers the idol a means to draw influence - it is wood that rots. How can it make an impression among stars that last [forever]?!