The ways of these ancient builders were beyond him.
"There must be an outlet somewhere, if we could but find it.
Besides, we have not found where the snake came in, yet." "He could have come in at the door, master.

A small snake could not have climbed up, but that big fellow could rear his head up and come in, quite easily.

We have found no little snakes at all." "Well, that may be so, but I still think that there must be some way out from here.

Why should men go to the labour of cutting this long stair, and excavating this chamber here, without any reason whatever?
Let us look through the window, Meinik." It was a passage, rather than a window; for the rock face had been left four feet in thickness.

Crawling out, Stanley saw that he was fifty feet above the foot of the cliff.