2 examples of ignis-fatuus in sentences

Then will your mind be so well braced, In Spanish boots so tightly laced, That on 'twill circumspectly creep, Thought's beaten track securely keep, Nor will it, ignis-fatuus like, Into the path of error strike.

As rose the moon upon my right: But nought distinctly seen In the dim waste would indicate The omen of a cottage gate; No twinkling taper from afar Stood like a hospitable star: Not even an ignis-fatuus rose To make him merry with my woes: That very cheat had cheer'd me then!

2 examples of  ignis-fatuus  in sentences