This rhetorical question sets forth the folly of fearing when wicked people oppose the righteous. It introduces the revelation that the prosperous ungodly enjoy a false security ( Psalm 49:7-12). [source][source][source]
"It"s good to have things that money can buy, if we don"t lose the things money can"t buy. It"s sad when people start to confuse prices with values." [1][source]