Wait on the LORD, and keep his way, and he shall exalt you to inherit the land: when the wicked are cut off, you shall see it.
Read Chapter 37
Augustine of Hippo
13. "Wait on the Lord" (ver. 34). And while I am waiting upon Him, what am I to do?-"and keep His ways." And if I keep them, what am I to receive? "And He shall exalt thee to inherit the land." "What land"? Once more let not any estate suggest itself to your mind:-the land of which it is said, "Come, ye blessed of My Father, inherit the kingdom prepared for you from the foundation of the world." What of those who have troubled us, in the midst of whom we have groaned, whose scandals we have patiently endured, for whom, while they were raging against us, we have prayed in vain? What will become of them? What follows? "When the wicked are cut off, thou shall see it."... ...
See the truth of these maxims. (Calmet)
While the wicked enjoy power they often conceal their injustice, which appears as soon as the veil is removed by death, when people cease to fear them. (Haydock)