Gone aside, to wit, from God, whom they should have sought, Psalms 14:2, and from the rule which he hath given them, and by which they sometimes professed and seemed to govern themselves. Or, are grown sour, as this word signifies, Hosea 4:18. And so this is a metaphor from corrupted drinks, as the next is taken from rotten meat. Filthy, Heb. stinking i.e. loathsome and abominable to God, and to all wise and sober men.
Related Commentaries of Psalms 14:3
Psalms 14:3
3 They are all gone aside, they are all together become filthy:a there is none that doeth good, no, not one.