The phrase "a selflessness that" is correct and usable in written English.
It can be used to describe a quality or characteristic of someone or something that embodies selflessness.
Example: "Her actions demonstrated a selflessness that inspired everyone around her."
Alternatives: "an altruism that" or "a generosity that".
Tatian submitted that the Judeo-Christian tradition furnished Greek moral philosophy with everything it contained of value; the former, however, exhibited a selflessness that was markedly absent from the latter.
The Anglicans of the slums would probably have accepted and adjusted to any ritual proposed to them by their Anglo-Catholic priests — men who were serving them with a selflessness that was without precedent in their religious and social experience.
He had an irrepressible willingness to risk his own welfare for the benefit and trust of those whom he loved, a selflessness that was best reflected by the scores of visitors who came from across the globe to see him in his final days.
As Wikipedia crosses this milestone Tuesday, it's worth acknowledging that — at its best — its community has long been adulting, the contributors modeling a selflessness that's increasingly rare online.
There is a selflessness that comes with service.
The members of the communities involved in this program demonstrate true leadership qualities - they act with commitment and a selflessness that manifests itself in service to others.
And though he embodied the stereotype of the self-absorbed New Yorker - looking at the world through the lens of one who had known intensive psychotherapy, fad diets and mind-expanding drugs - his pursuit of a story had a degree of selflessness that often put the amiable, all-too-accessible Gray in harm's way.
A shotgun Jonny bought as a present to thank his sibling for an act of selflessness that has become intertwined in their story as much as any of the four Olympic medals and 10 world titles they have between them.
Big businesses would donate $1 from each transaction over $10, an act of selflessness that would appeal to customers.
It's business as usual, rebranding as philanthropy, and announced with a deceptive air of selflessness that left us near-grovelling in thanks.
She wants to "forget that self which lay awake at night full of dread, wondering, What is going to become of me?" In the ministrations of oral sex she finds a "devotional sort of selflessness" that strikes her as "religious," and "she flung herself into it.
