The phrase "persistent spirit" is correct and usable in written English.
You can use this phrase to refer to someone's determination and resilience in the face of difficulties. For example, "Joe showed a persistent spirit while seeking a job, never giving up until he found one."
It's the persistent spirit that she has that is the reason that she was able to transition so young.
"We live in a time -- and it's not for me to judge anyone -- when people give up too easy," Denzel says, exhibiting the same persistent spirit that prompted him to ask Pauletta to marry him three times.
Whether it's facing -- or else remembering -- the difficulties of growing up; whether it's the response to getting to the end of one's rope and deciding to climb back up instead of letting go, we can appreciate -- and emulate -- her plunky, persistent spirit which, really, is what Christmas is all about.
It is possible that the blame for France's showing might in part be laid on a persistent Cartesian spirit, reinforced by rationalist and positivist philosophies.
Inspired by Byrd's persistent high spirits, New York traveled to Buffalo the following week and defeated the AFC champion Bills.
The quiet, persistent and imaginative spirit behind the collection has been that of Mr. Rockefeller, who at the outset was vice chairman and president of the Chase Bank.
The dead civilian has been mauled, it seems, by a tiger, or perhaps by a forest spirit that persistent myth and legend insist is out there in the terrifying darkness.
If you haven't received the Holy Spirit, be persistent in asking (see Luke 11 5-13)[14], and don't stop until you're filled as the disciples were in Acts 2 4 (see also Acts 10 44-46[15] & Acts 19 1-6[16]).
And yes, because the Romantic spirit, despite our persistent nostalgia for it, never quite survived the accelerated development of the last century and its violent politics.
Part of the Modern Library Chronicles, a new series of short histories aimed at the general reader, this survey of of the ups and downs of Islam, written in an ecumenical spirit, explores the persistent Muslim effort to make their society both just and holy.
This egalitarian spirit made Shaw a persistent pioneer of both feminism and racial equality.
