Be not soon shaken in mind, or be troubled, neither by spirit, nor by word, nor by letter as from us, as that the day of Christ is at hand. 2 Thessalonians 2:2
"Corn" is obviously a mistranslation in the King James Version, since there was no corn in Egypt or anywhere in the Eastern hemisphere in biblical times.
Corn was domesticated 10,000 years ago by indigenous peoples in what is now Mexico.