Of course that line was uttered by one of the villains in Henry Six...
True-—but Shakespeare’s corpus is replete with many references to the guiles and tricks of lawyers- an extensive one here -
HAMLET.
There’s another: why may not that be the skull of a lawyer? Where be his quiddits now, his quillets, his cases, his tenures, and his tricks? why does he suffer this rude knave now to knock him about the sconce with a dirty shovel, and will not tell him of his action of battery? Hum! This fellow might be in’s time a great buyer of land, with his statutes, his recognizances, his fines, his double vouchers, his recoveries: is this the fine of his fines, and the recovery of his recoveries, to have his fine pate full of fine dirt? will his vouchers vouch him no more of his purchases, and double ones too, than the length and breadth of a pair of indentures? The very conveyances of his lands will hardly lie in this box; and must the inheritor himself have no more, ha?