It happened once in the merchant town (Nidaros) where King Olaf reposes, that there broke out a fire in the town which spread around. Then Olaf's shrine was taken out of the church, and set up opposite the fire. Thereupon came a crazy foolish man, struck the shrine, threatened the holy saint, and said all must be consumed by the flames, both churches and other houses, if he did not save them by his prayers. Now the burning of the church did cease, by the help of Almighty God; but the insane man got sore eyes on the following night, and he lay there until King Olaf entreated God Almighty to be merciful to him; after which he recovered in the same church.
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