If in the winter season such appearance as the rainbow, halos and lightning should mark the sky, or if a dead tree should sprout and grow, or earthquakes occur, or elevated grounds should become hollow or hollow grounds should become elevated, or if mysterious noise should be heard from below the earth, or if ditches should be formed on the surface of the earth; or if tanks, rivers, ponds and the like should be flooded with water, or if such water should overflow the banks, or if landslips occur or houses should break and fall, there would be no cause for fear.