"I'll need more evidence before I accept such a hypothesis." Other worlds! Sure they existed but so far he hadn't seen anything that suggested to him everyone wasn't of the same world. He's not closed to the idea, but ... well, some things require a bit of proof!

Knowledge was knowledge, and he's pretty certain if he returned to the castle with abject proof of other worlds, then Master Ansem would surely be swayed to continue their experiments..

"..Ah." Did he have the device? Answer, by the expression that briefly flickers across his face: no. "It was not... designed to be mobile, and usually only affects inanimate objects." Usually but not always, and anyway everything always reappeared in the castle sooner or later, it was just a matter of finding it. "..But with the proper materials I can certainly rebuild it."