1)
Who says "Bo va'Tzur"?
1.
Radak: A man will say so to his colleague.
2)
How can one enter a rock?
1.
Rashi: Enter a cleft in a rock.
3)
How can one wrap himself in earth?
1.
Rashi (19): They will [hide] in caves.
2.
Radak: They will hide in a cavity in the earth.
4)
Why should they enter rocks and earth?
1.
Rashi: To flee.
2.
Malbim: Tzur is a fortified place; one enters due to fear of Hashem's punishment. Earth is not fortified, just it is a hiding place, due to awe of His glory and exaltedness, like a bat hides from strong sunlight.
