((On that day) neither the riches) the abundance of riches (nor the progeny) nor the abundance of progeny (of those who disbelieve) i.e. Ka'b Ibn al-Ashraf and his fellow companions; and it is also said that this refers to Abu Jahl and his companions (will aught avail them with Allah) will not avail them anything from Allah's torment. (They will be fuel for fire) they are the firewood of hell.