15 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 prevent: or, come before, or, anticipate, or, precede them which are asleep.
English Standard Version
15 For this we declare to you by a word from the Lord,Or by the word of the Lord that we who are alive, who are left until the coming of the Lord, will not precede those who have fallen asleep.
15 And then this: We can tell you with complete confidence - we have the Master's word on it - that when the Master comes again to get us, those of us who are still alive will not get a jump on the dead and leave them behind. In actual fact, they'll be ahead of us.