Caius Gabriel Cibber’s statues of ‘Melancholy’ and ‘Raving Madness’, their eyes staring blindly into the void, petrified in torment, once posed on top of the gate to Bedlam. In 1739, when Handel’s dramatic oratorio Saul was first performed, you could pay a modest fee to pass beneath them and gawk at the living spectacles within, victims of ‘arbitrary passions’ including pride, lust and envy.