The phrase "demonstrate faith" is correct and usable in written English.
You can use it when discussing the act of showing or expressing belief or trust in something or someone.
Example: "In times of uncertainty, it is important to demonstrate faith in our leaders and their decisions."
Alternatives: "show faith" or "exhibit faith."
Throughout her adventure Irene must demonstrate courage and wit; she must also demonstrate faith.
It began with his grandfather, a Unitarian minister who preached the imperative to demonstrate faith by improving society.
Choosing to demonstrate faith in humanity's ultimate goodness, despite all the evidence to the contrary, allows us to embrace certain religious teachings.
When David Wells pitched poorly and then complained in a closed-door meeting with the manager that Torre did not demonstrate faith in the pitcher, Torre began muting the slight criticisms he offered to reporters about Wells, and focusing more on what Wells did well.
The symbolism is clear: planting a tree is an act of hope that demonstrates faith in the future.
Wallace's mentor, Professor Venkatesh Murthy, had encouraged her to apply for the NIH grant, thereby demonstrating faith in her research plans.
But for the new kind of DFW loyalist, it is paradoxically the easiest of his writings to read, because the story demonstrates faith both in humanity and in writing.
Though "About Schmidt" is bleaker than your average Christmas movie, New Line, which is releasing it, is demonstrating faith in Payne's newfound stature as a filmmaker: the studio plans to expand the release to 2,000 screens by the end of January, compared with the roughly 800 on which "Election" was shown.
AMMAN — If Middle Eastern governments want to attract foreign investors during the current period of change and uncertainty, then Arab countries need to lead the way by demonstrating faith in the long-term promise of the region's markets, regional experts said at a conference last weekend.
Every test demonstrated faith and commitment to battlefield use in the event of a breakdown of deterrence.
The organization, team or individuals with the strongest will, belief, actions and demonstrated faith in who they are are the ones that win championships and have a shot at becoming legendary.
