"Let's kill all the lawyers" is a line from William Shakespeare's Henry VI, Part 2, Act IV, Scene 2.
The full quote is "The first thing we do, let's kill all the lawyers".
It is among Shakespeare's most famous lines, as well as one of his most controversial.
https://en.wikipedia.org/en.wikipedia.org wiki Let's_kill_all_the_la...
and, imo, not a bad idea in the abstract, though all of the law schools and their professors would also have to be put down to make it work.