Mat 12:40 For as Jonas was three days and three nights in the whale's belly; so shall the Son of man be three days and three nights in the heart of the earth.I always found the mention of the story of Jonah here a little jarring. It didn't seem to fit the demand for a sign from God. However, I went back and read the book of Jonah are realized that it ties directly to the entire theme of what Christ says in the second half of Matthew 12. Once again, I am shocked by well all these verses about apparently different topics tie together when view from the right perspective, either because they record the actual flow of Christ's discourse or from the work and inspiration of Matthew in puting together the verses in his Gospel.
This last half of the chapter is about helping rid people of the problems that they carry within them. It starts with Christ defending himself for casting out demons and ends with a story about the demons returning to their hosts when nothing takes their place. In between, Christ makes the point that those who are productive have something worthwhile within them while those who scatter and produce what is worthless have something wrong within them. The idea is theat valuable ideas produce more valuable ideas while useless ideas produce nothing but more waste. Useless idea prevent valuable idea from taking root, but the absence of valuable ideas invites the entertaining of worthless ideas.
How does this relate to Jonah? The story of Jonah starts with Jonah refusing to save Nineveh by going to preach to repentance to them because Nineveh was an enemy of Israel. The importance of Israel was the useless idea within Jonah that prevented the Jonah from doing something productive. Because he carried this worthless idea within him, he almost destroys the innocent people and their ship as he tried to escape God in (talk about a worthless idea).
How does he survive? He surrenders himself to death. It is interesting (to me, anyway) that when Jonah is surrounded by men, his useless thinking is a danger to him because the society of people can attempt to protect him. Only when confronted with nature (as we all are eventually in facing our own mortality) can Jonah let go of his useless thinking. This is very consistent with what Christ says all through the Gospels about society allowing and promoting useless thinking while nature forces us to recognize what is true and worthwhile.
When Jonah is resurrected from his watery grave, he preaches to Nineveh and as a society, they reform themselves. The valuable in Jonah comes out and creates value in the world. However, Jonah still has the emptiness within him so he is unhappy that God saves Nineveh from destruction. In other words, his demons came back to him. While Jonah sulks in the desert heat, God sends a vine to give him shade and then takes it away. Jonah is angry about God taking away the vine like he is angry with God for saving Nineveh until God explains that, like everything else in his life, the vine was a gift that he did nothing, that it did not come from his own productivity but from God's so he had nothing to be angry about.
What is the sign of Jonah? Certainly Christ's death and resurrection, but in the end all the free gifts that we get throughout our lives, starting with each breath we take, that we do nothing to produce for ourselves.
There is also a subtle but important lesson in the Greek contrasting the story of Jonah with the resurrection of Christ, but it involves understanding the Greek concepts of "belly," "chest," and "head." The contrast is between Jonah's "belly of the huge fish" and Christ's "heart of the earth" that Christ goes into
"Belly" is from the Greek,
koilia, which means the "cavity within the body" (from the Greek, koilos, for "hollow"). It means both the belly, the intestines, and the womb. The word is also used to mean "excrement," which fills the hollow. "Heart" is from the Greek
kardia, which means the physical heart. It is a metaphor for "deep" and in "the heart of the ocean."
Both terms are used to indicate feeling, desires, and inclinations but with an important difference. The Greeks considered the belly the source of our animal impulses and desires: food, sex, and other forms of immediate gratification. However, they considered the heart or chest (more precisely,
thumos) the center of higher desires and feelings: courage, righteous anger, patriotism, true affection, and wisdom. The mind, as the third part of this particular physical trinity, was reasoning without feeling, cold, calculating but without values. Values come from the belly or the heart. There is also a bit of ancient sexism here in that women in general were considered to be driven more by the belly and men more by the chest. However, the meaning becomes clearer in English if we talk about people who are driven by their belly or driven by their heart. The only difference is that in English "the heart" is softer, more sensitive, (a valentine) and more feminine than in Greek. In Greek,
thumos was the source of strength and endurance not softness.
Here, Christ is highlighting his similarity to Jonah and also his differences. Both would die and be reborn, but Jonah was driven by belly, his lower impulses of self-preservation and comfort and was buried in a belly. Christ was driven by the heart and was buried in a the heart.
(Also, to deal with old myths that are not all that important, "whale" is a common mistranslation of the Greek,
kêtos, which means "sea monster" or "huge fish." Is this important? Not very except that Christ uses fish all the time in his miracles and whales, not so much. )