8 You have neither heard nor understood; from of old your ears have not been open. Well do I know how treacherous you are; you were called a rebel from birth.

Read Isaiah 48:8 Using Other Translations

Yea, thou heardest not; yea, thou knewest not; yea, from that time that thine ear was not opened: for I knew that thou wouldest deal very treacherously, and wast called a transgressor from the womb.
You have never heard, you have never known, from of old your ear has not been opened. For I knew that you would surely deal treacherously, and that from before birth you were called a rebel.
“Yes, I will tell you of things that are entirely new, things you never heard of before. For I know so well what traitors you are. You have been rebels from birth.