Note 3372 — Scene IV. Before Gloucester's castle. Kent in the stocks.
Reading edition
The knave ... knave,] The fool turns knave, that runs away, The knave no fool, Collier, ed. 2 (Johnson conj.) The fool turns knave, that runs away; The fool's no knave, Heath conj. The fool turns knave, that runs away; The fool no knave, Capell.