Likewise what we have related at the beginning of this chapter of his statement: “Let not the owner of sick camels pass them by the healthy camels of another”, in case that ailment afflicts the healthy camels, and the owner of the sick camels may not say: “If I had not passed them by [the healthy camels of that person], nothing of this disease would have passed to them.” And if he had not passed them by the [healthy camels], then perhaps the [ailment] would have afflicted them, just as it afflicted them when he did pass them by.

Thus, he ordered the abandonment of passing the healthy by the sick for this reason, [this reason] from which people are not safe from that it should occur in their hearts and [not safe from that such] statements should occur in their speech along [the lines of] what we have mentioned.

...the prohibition of leaving the land of plague and the prohibition of entering it is with a single meaning, which is [the fear of people] harbouring omens (ṭiyarah), and not [for fear of] contagion...