Treasury of Scripture Knowledge
And when God removed him [from the throne of Israel] He raised up David to be their king. God said about him, 'I have found David, the son of Jesse, to be a man close to my heart [i.e., whom I loved very much] and he will do all that I want him to.'
Then he kneeled down and called out in a loud voice, "Lord, do not hold them responsible for this sin [of killing me]." And when he said this he fell asleep [in death].
1 Corinthians 15:6
After that He appeared to over five hundred brothers at one time, most of whom are still alive, but some have died.
1 Thessalonians 4:13
But we want you to be informed, brothers, concerning those who have fallen asleep [in death] so that you do not grieve, as other people do [i.e., the unsaved], who have no hope.
Brothers, I would like to speak very plainly about the patriarch David [Note: A patriarch was the ruling father of the family]. He died and was buried and his grave can be seen today.
Jesus said, "You people, take the stone away." [But] Martha, the dead man's sister, said to Jesus, "Lord, his body is decomposing by now, for he has been dead four days."
1 Corinthians 15:42
It is the same way with the resurrection of dead people. [A person's body] is buried [only] to decay; it is raised up never to decay again.