Very Hard puzzle

[magsig #1 code team]

I have encountered this 5 word puzzle that I cannot solve. I am trying to keep my perfect score. Is there anyone that could knows the answer. I have tried for many hours. image.png

[this username is taken]

David Frost: The bubonic plagiarist.

[Eureka]

Wow, that is a very hard puzzle! Well done, this username is taken! I couldn't even begin it. I certainly didn't think the third word was "the", since that would mean there was only one "e" in the whole quote. Yikes, that one is nearly impossible. I wonder what the solve rate is.