The phrase "insistent belief" is correct and usable in written English.
It means a belief that one is very certain of and will not let go of. For example, "The young girl had an insistent belief that she could succeed despite any obstacles."
Its revolutionary features – focused on an insistent belief in the absolute dignity of each and every human individual – became compromised.
It felt somewhat like the Romney campaign's insistent belief that it would win the general election, in the face of all the data.
That is, an insistent belief in things unseen — things like voters who show up at the polls pretending to be someone else, or noncitizens who try to register and vote illegally.
His doctors have never endorsed his two sons' insistent belief that he does respond to stimuli and may yet awaken.
Few have been so insistent in their belief that humans and animals are both at the mercy of natural compulsions – lust, fear, anxiety, or the urge to violence.
4. Willa Cather was insistent in her belief that a writer need not be contemporary in the matter of external detail to fulfill his obligations to art and to society, and she also believed that each writer had "to work with his own material". Willa Cather's "own" material was the West —the Western land and the Western people.
This is an ingenious defence from the father of a church that is deeply invested in absolutes and insistent on totally unmetaphorical belief in fantasies such as the virgin birth and that the communion wafer is the literal body of Christ.
Our store, just outside of the metropolis of Phoenix, one of the 1,793 Target stores across the United States, becomes the recipient of dozens of infuriated calls, guests insistent on sharing their biased beliefs.
In truth, Summitt and Auriemma are fundamentally alike — terrific coaches, intense, inveterate storytellers, funny, insistent on unyielding defense and a belief that the individual must blend with the collective.
Mr. Musk says the spat was over differing visions, including Mr. Salzman's desire to dismiss most of the board members and appoint a new C.E.O. if he made a sizable investment, and Mr. Musk's belief that Mr. Salzman was "insistent on interfering in the company".
In time, he adopted the beliefs and practices of an insistent piety, praying multiple times a day, letting his beard grow and arguing for a restoration of Islam in Arab politics.
