Matthew Henry's Complete Bible Commentary
Verse 12
1. As we read this verse, it shows why good men, when they come to understand things aright, will not envy the prosperity of evil-doers. When they see the house of the wicked, how full it is perhaps of all the good things of this life, they are tempted to envy; but when they wisely consider it, when they look upon it with an eye of faith, when they see God overthrowing the wicked for their wickedness, that there is a curse upon their habitation which will certainly be the ruin of it ere long, they see more reason to despise them, or pity them, than to fear or envy them. 2. Some give another sense of it: The righteous man (the judge or magistrate, that is entrusted with the execution of justice, and the preservation of public peace) examines the house of the wicked, searches it for arms or for stolen goods, makes a diligent enquiry concerning his family and the characters of those about him, that he may by his power overthrow the wicked for their wickedness and prevent their doing any further mischief, that he may fire the nests where the birds of prey are harboured or the unclean birds. MHBCC 650.12