I would interpret it as how people only look at reality, not what's inside or what they can't see.
A.
Best regards from,
Darrin90b
The Time Machine is a science fiction novel which was written by H.G. Wells, in 1895. In chapter 6, there was a well which was examined by the main character. He found out that it was a cold space where he faced the Morlocks and he managed to flee from them and save a girl called Weena and another boy who were there.