John Trapp on John 15:6

Verſe 6. Caſt them into the fire, and they are burned] So they muſt needs be, may ſome ſay: but his meaning is, that temporaries, of all others, make the fierceſt, hotteſt fire, becauſe they are trees moſt ſeared, and fuell fully dry. Nahum tels us, that ſuch are but as ſtubble laid out in the Sun a drying, that it may burn the better, Chap. 1.10. or like grapes, let to hang in the Sunſhine, till they be ripe for the wine-preſſe of Gods wrath, Revel. 15.16.