Then some of the Pharisees and teachers of the law said to him, "Teacher, we want to see a miraculous sign from you." He answered, "A wicked and adulterous generation asks for a miraculous sign! But none will be given it except the sign of the prophet Jonah. For as Jonah was three days and three nights in the belly of a huge fish, so the Son of Man will be three days and three nights in the heart of the earth. ~Matthew 12:38-40~
The thing I have begun to believe recently is that the sign of Jonah may not been completely fulfilled yet. For as Jesus indicated, the "son of man" will be three days and "three nights" in the heart of the earth.
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For three [and a half days] men from every people, tribe, language and nation will gaze on their bodies and refuse them burial. The inhabitants of the earth will gloat over them and will celebrate by sending each other gifts, because these two prophets had tormented those who live on the earth. But after the three [and a half days] a breath of life from God entered them, and they stood on their feet, and terror struck those who saw them. Then they heard a loud voice from heaven saying to them, "Come up here." And they went up to heaven in a cloud, while their enemies looked on. ~Rev 11:9-11~
When Jesus was raised from the dead it was a relative secret from the people and leaders of that day. There was even a rumor, which circulated saying his disciples stole his body from the tomb; although Jesus did reveal himself to many of his disciples. I am now beginning to believe the complete fulfillment of the miraculous sign, the sign of Jonah, will be the three days and "three nights" the witnesses will be in the heart of the earth. Their bodies will be refused burial, and when life returns to them it will be well documented and seen for the whole world left at that time. I believe the witnesses will die on a Friday (like their Lord), but will remain dead through all of Saturday (keeping the Sabbath holy) and through all of Sunday (keeping the Lord's day holy); finally to be raised to life on Monday after "three nights" in the heart of the earth.