The psalmist ceased his endeavors to reason his way through to a solution of the problem, and went into the sanctuary (see 2 Kings 19:14). The real problems of life are solved only in communion with God.
Understood I.
In the quietness of the sanctuary the psalmist’s doubts melted away. God gave him the real solution to the problem. Among other things, he learned that he had lost in his perspective and had exaggerated the prosperity of the wicked.
Their end.
However prosperous the wicked may appear may appear to be, their position is precarious. They have no sure foothold, and may go down at any moment. The argument is even more forceful when applied to the ultimate annihilation of the wicked (Rev. 20:9, 14, 15).