The phrase "a source of devotion" is correct and usable in written English.
It can be used to describe something that inspires strong feelings of love, loyalty, or dedication.
Example: "For many, their faith serves as a source of devotion that guides their daily lives."
Alternatives: "an object of devotion" or "a wellspring of devotion".
In the book, he explains her role in his campaign: "Gloria continues to be a steady source of devotion and inspiration," he writes.
What I am most thankful for is that my stepmother has been a source of love, courage and devotion.
His warmth and devotion to his family were a source of inspiration to all who knew him.
But if the rapidly lengthening list is a testament to Indonesia's growing devotion, it has also become a source of one of its perennial problems: corruption.
The primary influence on Pater's mind was his classical studies, coloured by a highly individual view of Christian devotion and pursued largely as a source of extremely refined artistic sensations.
For Arthur Chotin, 70, who had come from Annapolis, Md., to finally meet the couple caring for his father's resting place, the devotion of the Dutch was a source of awe.
Of course I experienced self-doubts, frustrations and depressions, but Terry and other professors' wisdom, knowledge, and devotion to work had always been a source of power and courage to me.
Though much of the art of the Silk Road was created to encourage religious devotion, today we value it also as a source of precious historical information.
His devotion to George Balanchine and to New York City Ballet was a source of inspiration to all who worked with him and his remarkable presence in our family will be greatly missed.
Such issues as the distribution of assets among heirs and charitable bequests can be a source of passionate disagreement within a family, especially one with varying degrees of religious devotion.
