If you seem to witness such a thing [a miracle], there are two possibilities. The first is that the laws of nature have been suspended (in your favor). The second is that you are under a misapprehension, or suffering from a delusion. Thus the likelihood of the second must be weighed against the likelihood of the first.

If you seem to witness such a thing [a miracle], there are two possibilities. The first is that the laws of nature have been suspended (in your favor). The second is that you are under a misapprehension, or suffering from a delusion. Thus the likelihood of the second must be weighed against the likelihood of the first.