That say, Let him make speed, etc. Instead of trembling at the coming judgment of God, which Isaiah has announced, they pretend to desire its immediate arrival; they want to "see it." They walk, not by faith, but by sight.
At the bottom of this pretended desire there lies a complete incredulity. The counsel; or, purpose, as in Isaiah 14:26. Of the Holy One of Israel. They use one of Isaiah's favorite titles of God (see note on Isaiah 1:4), not from any belief in him, but rather in a mocking spirit.