(When they disbelieved in it) in Muhammad (pbuh) and in the Qur'an (of yore) before they were swallowed by the earth. (They aim at the unseen) they did but surmise in the life of the world when they said there is no Paradise or hell (from afar off) after death; it is also said that this means: after death, they ask to be returned to the life of this world by surmise.