1 Thessalonians 4:11-14

and that ye study to be quiet, and to do your own business, and to work with your hands, even as we charged you; that ye may walk becomingly toward them that are without, and may have need of nothing. But we would not have you ignorant, brethren, concerning them that fall asleep; that ye sorrow not, even as the rest, who have no hope. For if we believe that Jesus died and rose again, even so them also that are fallen asleep in Jesus will God bring with him.