The expression 'his mouth is like a furnace door' is not from the Bible but from The Canterbury Tales by Chaucer. You'll find it in the chapter 'The Miller's Tale".
The phrase "mouth as a furnace" is not found verbatim in most standard versions of The Bible. However, in the Book of Proverbs, there are verses that liken the destructive power of words to fire, such as Proverbs 16:27 which says "Scoundrels concoct evil, and their speech is like a scorching fire."
It is in the book of Daniel.
Shadrach, Meshach, and Abednego were the ones who were sent to the fiery furnace by King Nebuchadnezzar in the book of Daniel in the Bible.
Nebuchadnezzar. The three boys were Shadrach, Meshach and Abednego. Three of the entities seen in the fire of the furnace were supposedly these three (who were placed in the furnace for refusing idolatry). The fourth figure appeared in the flames after the three young men had already been put into the furnace. Some say it was an angel. Some say it was Jesus. The book of the Bible in which this story is told is Daniel.
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Proverbs 17:3
The word "mouth" is in the King James Version of the Bible 424 times. It is in 397 verses. Please see the related link below.
if it is in dust form than you congested it nose mouth open wounds
How can you covert an oil furnace to an electric furnace
romans
Their is no difference between an ashing furnace and a muffle furnace
Jesus said, it isn't what goes into the mouth that makes you unclean, but what comes out of the mouth; as from the overflow of a mans heart, his mouth shall speak.
jona