[js1138]

The authors knew their audience would not accept anything less.

But what we have is the author, which is one source.

I really don't have any interest in arguing about religion. My interest is in what's taught in science class, and science is skeptical.

If an established principal or formula ceases to provide reliable answers, the formula is questioned. Established principles are continually being revised and updated. There are current tests being proposed for Einstein's general relativity, even though every experiment so far has confirmed it beyond ten decimal places.

There are always gunslingers who hope to make a reputation by finding a discrepancy in the eleventh.

[Raycpa]

But what we have is the author, which is one source.

There are several authors reporting on several eyewitnesses.