Besides, God said when sin entered then death entered.
The word for “world” is Kosmos. http://biblehub.com/greek/2889.htm
When you look at all the information at the above link, it becomes clear that it is dealing with the “earth” as created in genesis. More precisely, it entered this dispensation.
Thing is, it is quite possible to believe that the earth was, before genesis 1:3, wiped clean, as one might paint over a painting on a canvas and then produce an entirely new painting on it. I mean, God destroyed the earth in the flood, which really only wiped out the surface and was sort of a “do over”. And it will happen again at the end of this age, only through fire, which will leave the planet even without any sea.
So, we don’t really know what came before genesis 1:3. We only know that God created the heavens and the earth. And that could have been billions of years (or more) ago.
And not to mess with this too much: Just as with a canvass that has been painted over, and you can peel away the paint and find remnants of the earlier painting(s), maybe that is what happens when we peel away the layers and find things like dinosaurs.
Just thinking out loud. Not saying I believe it or I don’t. But it is an interesting thought exercise. The next step is to find scripture that makes it not a feasible theory about the time before genesis 1:3.
Well, you might read up on Jesus’ experience with dinner at Mary and Martha’s house. One of them just sat and drank in what Jesus said, and the other one fretted over every little thing. Now why do you suppose the Holy Spirit prompted the writers of the New Testament to include that episode?