There was a time, indeed, when it might have cost us our lives or our liberties.

Remember Galileo! I was saying, then, that people who live at home do not know _what thirst is_; for _home_ is a place where there is always water.

They cannot comprehend what it is to be in the desert without this necessary element.

Ha! _I_ know it; and I give you my word for it, it is a fearful thing.
Our young hunters had but a faint idea of its terrors.

Hitherto their route had been through a well-watered region--scarcely ever running ten or a dozen miles without crossing some stream with timber upon it, which they could see a long way off, and thus guide themselves to the water; but they little understood the nature of the country that was now before them.