Our flesh and blood, my lord, is grown so vile
That it doth hate what gets it.

– William Shakespeare

King Lear, Act 3, Scene 4. There is grim irony in Gloucester telling Lear that their children – Edgar, Regan and Goneril – have grown so wicked that they hate the parents who brought them into the world. Gloucester speaks ill of his son Edgar, while not recognizing him right in front of him in his Poor Tom disguise. He wrongly thinks that Edgar is the vile son and not Edmund