Albert Barnes' Notes on the Whole Bible - 1 Corinthians 15:51
Behold I show you - This commences the third subject of inquiry in the chapter, the question, what will become of those who are alive when the Lord Jesus shall return to raise the dead? This was an obvious inquiry, and the answer was, perhaps, supposed to be difficult. Paul answers it directly, and says that they will undergo an instantaneous change, which will make them like the dead that shall be raised.A mystery - On the meaning of this word, see the note on 1 Corinthians 2:7. The word here... read more
The Pulpit Commentary - 1 Corinthians 15:51-58
Concluding argument and exhortation If "flesh and blood" is "corruption," and cannot inherit "incorruption," what then? Educate the present body to the offices of the mind; let every function do its legitimate work, and every organ be faithful to the organism; refine, beautify, ennoble it by all natural and providential agencies; it is, nevertheless, "flesh and blood," and inherits "corruption." No such corporeal structure could go to heaven unchanged. The earthly body of Jesus Christ,... read more