The Apostle Paul
1 Thessalonians 4:15BSB·traditional attribution

By the word of the Lord, we declare to you that we who are alive and remain until the coming of the Lord will by no means precede those who have fallen asleep.

John Calvin Reformed @genevareformer

15 For this we say unto you. He now briefly explains the manner in which believers will be raised up from death. Now, as he speaks of a thing that is very great, and is incredible to the human mind, and also promises what is above the power and choice of men, he premises that he does not bring forward anything that is his own...

Matthew Henry Presbyterian @wholebiblehenry

In these words the apostle comforts the Thessalonians who mourned for the death of their relations and friends that died in the Lord. His design is to dissuade them from excessive grief, or inordinate sorrow, on that account. All grief for the death of friends is far from being unlawful; we may weep at least for ourselves if we do not weep for them, weep...

Commenting on 1 Thessalonians 4:13-18

John Gill Reformed Baptist @doctorgill

For this we say unto you by the word of the Lord,.... The apostle having something new and extraordinary to deliver, concerning the coming of Christ, the first resurrection, or the resurrection of the saints, the change of the living saints, and the rapture both of the raised and living in the clouds to meet Christ in the air, expresses himself in this manner; either...