Charles Ellicott Commentary Isaiah 28:22

"Now therefore be ye not scoffers, lest your bonds be made strong; for a decree of destruction have I heard from the Lord, Jehovah of hosts, upon the whole earth." — Isaiah 28:22 (ASV)

Now therefore be ye not mockers ... —The rulers are warned that the scorn in which they indulge so freely will only make the fetters which already gall them tighter and heavier. In the words that follow, the prophet reproduces his own language in Isaiah 10:23 (see Notes there), probably because they had been singled out as a special subject for derision.