The story is a classic of doggedness, cleverness, and a little luck.
To a stranger listening to a story that sounded like another Plagues of Egypt, their doggedness seemed inexplicable.
This fearlessness and doggedness makes him a natural soul mate of The Daily Beast.
"having the qualities of a dog" (mostly in a negative sense), c.1300, from dog (n.). Meaning "persistent" is from 1779. Hence doggedly (late 14c.), "cruelly, maliciously;" later "with a dog's persistence" (1773). Related: Doggedness.