"enduring faith" is a correct and usable phrase in written English.
It can be used to describe a strong and persevering belief or trust in something or someone. Example: Despite facing numerous challenges and setbacks, she held on to her enduring faith in the power of love and kindness to bring about positive change in the world.
You know, for someone who has endured atrocious treatment by the American government, she has an enduring faith in our democratic principles.
They were patriots with enduring faith that America was, really, the safest place on earth.
She even translates her enduring faith in Claude into shares of stock in his company.
The 50-year-old tried to portray his enduring faith in Stevens as the result of careful consideration.
The enduring faith of over a billion people is so much bigger than the narrow hatred of a few.
Lin, however, meant it in purely positive terms, an attitude that is consistent with his enduring faith in the power of government.
Yet despite the Yemenis' enduring commitment to faith and tradition, a looming uncertainty, even fear, hung over the city.
Finally, the fact that we are having this conversation at all (much less in the pages of this newspaper) is testament to the enduring relevance of faith in what sociologists long ago predicted would be a secular society.
After the couple celebrated their twentieth wedding anniversary, McEntire stated that the secrets to her enduring marriage were "Respect, faith, love, trust, and lots of patience".
The enduring vigour of Jewish faith during these centuries is graphically demonstrated by the missionary activity of Jews throughout the ancient Middle East, especially in the Arabian Peninsula.
For the first time, those who have had a near-religious faith in enduring technical progress debated whether their industry had become a slower-growing and mature one.
