Sahih Bukhari Volume 8, Book 76, Hadith Number 552.

Narated By Ibn ‘Umar : The Prophet; said, “The people of Paradise will enter Paradise, and the people of the (Hell) Fire will enter the (Hell) Fire: then a call-maker will get up (and make an announcement) among them, ‘O the people of the (Hell) Fire! No death anymore ! And O people of Paradise! No death (anymore) but Eternity.”