Wow. That's unreal. That not only are there other planets, there are other versions of other planets, all of them with people just--doing their thing and not having a clue.

[well, she hasn't exactly realized her own insignificance, more like she's marveling at how vast time and space really are. Jane came from a completely normal Earth with no supernatural beings or things at all, so she's rather amazed by all of the supernatural beings and things that seem to populate the rest of the multiverse]