"They will not hear its slightest sound" (21:102), meaning: its sound. To the end of His saying: "The greatest terror" (21:103). Al-Hasan said: It means the final blast of the Trumpet. "The angels will receive them" (21:103). Al-Hasan said: They will receive them with glad tidings when they emerge from their graves, and they will say: "This is your day which you have been promised" (21:103).