Abu-al-Faraj Ibn Harun (Gregory Bar hebraeus). The book is entertaining stories (№ 222055)

The priest stole the gospel in Golden binding. And he arose in the pulpit, and admonished the thief, and threatened to betray him anathema. Seeing that all the congregation are crying with him and together they call on the head of the thief God's punishment, the preacher said:
- Here gathered all the villagers, all men, women and children, and weep. But if your tears are sincere, who is it that stole the gospel?