The steady rhythm of the engines, the fact that he had been sleeping badly, the boredom of a flight that he had done so many times before and did not want to do again, the long humiliation and unhappiness that was always in the background of his mind, all fought against his watchfulness.

The Widdow that hath but a pan of braſſe, […] Muſt pay her Landlord many a groat, Or twil be puld out of her throat: […] The rich haue all, the poore liue in miſerie: […]

projects of happiness devised by human reason

I think he underdirects because he wants the script — the text — to be in control.