1)
Why will Tzadikim inherit the land?
1.
Radak: Refer to 37:22:2:1.
2.
Malbim: After the Resha'im and all their seed are cut off, Tzadikim will be the heirs (closest relatives). The Rasha's success is so he will prepare wealth for Tzadikim, his heirs; their success will endure forever.
2)
Why does it say "v'Yishkenu La'ad Aleha"? Verse 27 already says so!
1.
Radak: The matter is repeated to strengthen it; their good and level will endure.
