If we knew exactly the laws of nature and the situation of the universe at the initial moment, we could predict exactly the situation of the same universe at a succeeding moment. ↗
You know how it is with writing. You just write what you want to write. There's no way to predict what is good or bad. You just do what you think is funny, and either it works or you're finished. It's impossible to predict anything. ↗
You can never properly predict the future as it really turns out. So you are doing something a little different when you write science fiction. You are trying to take a different perspective on now. ↗
If that enabled us to predict the succeeding situation with the same approximation, that is all we require, and we should say that the phenomenon had been predicted, that it is governed by the laws. ↗
Left Behind takes what to some people may be unbelievable predictions from the Bible and shows how they might play out. It makes the events of biblical prophecy understandable and thus believable. ↗