On his much awaited feastday held twice annually (the first Sunday of May and 19 September), the blood is said to liquify, even boil : When it doesn't, disaster befalls Naples.
If the blood does not boil there are earthquakes.
mnli hypothesis: If the blood does not boil there are earthquakes. premise: On his much awaited feastday held twice annually (the first Sunday of May and 19 September), the blood is said to liquify, even boil : When it doesn't, disaster befalls Naples.