1)
Why does it say "Amar b'Libo Bal Emot"?
1.
Radak: He thinks, I will not veer from my greatness.
2.
Malbim: Do not say [like Iyov's friend Elifaz did] that the Rasha's success is not success, for his heart is full of worry that punishment will come to him or his children, and he is not secure about his success. Rather, he is sure in his heart that evil will not befall him.
2)
What is "l'Dor va'Dor Asher Lo v'Ra"?
1.
Rashi: Even will not come upon me for [all] my generations.
2.
Radak: I will live for [many] generations, for I will not experience or see difficulties.
