Robinson Crusoe by Daniel Defoe Chapter 12 Page 42

creep upon all-fours as I have said, almost ten yards - which, by the way, I thought was a venture bold enough, considering that I knew not how far it might go, nor what was beyond it. When I had got through the strait, I found the roof rose higher up, I believe near twenty feet; but never was such a glorious sight seen in the island, I daresay, as it was to look round the sides and roof of this vault or cave - the wall reflected a hundred thousand lights to me from my two candles.

What it was in the rock - whether diamonds or any other precious stones, or gold which I rather supposed it to be - I knew not. The place I was in was a most delightful cavity, or grotto, though perfectly dark; the floor was dry and level, and had a sort of a small loose gravel upon it, so that there was no nauseous or venomous creature to be