The phrase "a belief in the value of" is correct and usable in written English.
You can use it when discussing the importance or worth of something, often in a philosophical or evaluative context.
Example: "She has a strong belief in the value of education as a means to improve society."
Alternatives: "faith in the significance of" or "confidence in the worth of".
A belief in the value of talking, they say, was the whole of their agenda.
Their investment was not based on a belief in the value of SWS's business but instead in the value of the lawsuit.
A belief in the value of professionalizing management does not require us to endorse the current management curricula and methods of teaching.
Sheffield, a Washington-based journalist before coming to the Kennedy School, and Werkmeister, a serial entrepreneur with roots in Wall Street, both leaned right though moderately, they insist embracing a belief in the value of private-sector solutions to public problems.
But Sturgeon does seem to have been an uncommonly single-minded teenager, instilled by her parents with a belief in the value of hard work that was once – in John Boyd Dunlop's time, for example – proclaimed throughout the world as the keystone of the Scottish character.
His policy of "Tory democracy," as it came to be known, combined a desire to mitigate the harsh conditions that unrestrained capitalism imposed on ordinary workers with a belief in the value of the class system and established institutions such as the monarchy and the church.
There is a strong belief in the value of military force.
This implicates a strong belief in the value of group cohesion.
France Córdova takes over the National Science Foundation with a strong belief in the value of personal connections.
But they also had university degrees, and an absolute belief in the value of education.
The neighbor, by contrast, speaks for an individualistic belief in the value of marking property holdings.
