1 Thessalonians 4:15

for one thing I have in charge to tell you from the Lord, that we, who shall be found still alive at the coming of the Lord, shall not get the advance of those that are dead:

1 Corinthians 15:51-53

I shall now tell you a very great secret: we shall not all of us sleep, but we shall all be changed,

Matthew 17:25

he said, yes. and when he was come into the house, Jesus prevented him, saying, what think you Simon? of whom do the kings of the earth take custom or tribute? of their own children, or of others?

2 Corinthians 4:14

knowing that he who raised up the Lord Jesus, shall raise up me also by Jesus, and shall present me with you:

1 Thessalonians 2:19

for what can be our hope, or joy, what can crown our pretensions, unless it be you, when we shall appear before the Lord Jesus Christ at his coming?

Treasury of Scripture Knowledge

Summary

For this we say unto you by the word of the Lord, that we which are alive and remain unto the coming of the Lord shall not prevent them which are asleep.

Bible References

Asleep

1 Thessalonians 4:13
Now I would not have you, my brethren, be mistaken about the state of the dead, lest you should be as greatly afflicted as those, who have no hope.