The phrase "a persistent idea" is correct and usable in written English.
You can use it to describe a thought or concept that continues to occupy someone's mind over time.
Example: "Despite the challenges, she held onto a persistent idea that change was possible."
Alternatives: "an enduring notion" or "a recurring thought."
A persistent idea in American democracy is that everyone, regardless of condition, should have a fair chance.
The memory stayed with Prina over the years and, as he said recently, "art comes out of a persistent idea.
But the connection between sleeplessness and artistic creation is a persistent idea that has given birth to several night-time societies and clubs across the city in recent months.
Even so, there's a persistent idea of her as an underpraised housewife-genius from the Canadian backwoods, perhaps because it's easier to talk about the literary politics of being a woman, Canadian or a short-story writer than it is to give a sense of her densely packed but effortless-seeming work.
Barbour essentially agrees, though he notes that the idea that a Veep can help you carry a state is a persistent idea that likely won't go away in this cycle.
An obsession, as the name suggestions, means the individual's thoughts and feelings are completely dominated by a persistent idea.
And it was an astonishingly persistent idea.
Whether it's government policy removing our social care packages or a stranger ignoring us in the street, tackling this persistent idea that a disabled person is somehow different to other people – that we don't want to work, laugh in a pub or go on a date – is going to be a crucial part of ending disability's chronic loneliness.
This gap exists for a few reasons: a lack of comprehensive coverage for quality mental health care, the persistent idea that mental health isn't "real" health, and the stigma that still follows admitting that you might need mental health care in the first place.
It's also because of discrimination and the persistent idea that we live "parallel lives" in a parallel dimension yet to be discovered by Stephen Hawking.
The executives' skepticism seems to be rooted in the remarkably persistent idea that social media somehow is not worth their time, a fad, or not for serious business.
