"express a belief" is a grammatically correct and common phrase in written English.
It is typically used when talking about stating or sharing one's personal beliefs, opinions, or convictions. It can be used in various contexts, such as in essays, speeches, or personal statements. Example: In her essay, the author clearly expresses her belief that education is the key to overcoming social inequalities.
More recently Johnnie Walker scotch has eschewed the usual stories about oak casks, in order to express a belief in perseverance ("Keep walking").
While former colleagues say Mr. Trichet vigorously defends the interests of France, they express a belief that he will be able to balance the interests of the 12 euro countries, and perhaps more members after the euro zone expands.
Conservative qualms about capital punishment are generally not based on the alleged immorality of the death penalty; few conservatives express a belief that executions are cruel and unusual punishment and therefore unconstitutional.
He's a favorite of Fox News and of Rush Limbaugh, and he and his colleagues have used those platforms to make it anathema for any Republican politician to publicly express a belief in the reality of climate change.
The judge said: "In a free constitution such as ours there is an important distinction to be drawn between the law's protection of the right to hold and express a belief and the law's protection of that belief's substance or content".
But Russian authorities often express a belief that NGOs working on human rights and other issues have subversive agendas dictated from abroad, and the FSB apparently feels that with so many potentially dangerous foreigners descending on the Black Sea resort for the Olympics, it has a duty to keep an eye on them.
His poetry expressed a belief that the world was a system of symbols expressing metaphysical realities.
He expressed a belief that Germans, in facing their past, could redefine their identity and future.
Expressing a belief in a tweet – or on Facebook or Instagram – does not make that belief any less yours.
