1)
What does he think that Hashem does not know?
1.
Rashi: Deeds done in darkness.
2.
Malbim: What is done on the land.
2)
What is "ha'V'ad Arafel"?
1.
Ibn Ezra: What is hidden in darkness.
2.
Malbim: It is the darkness in the vast distance between the stars and the land.
