The phrase "a source of possibilities" is correct and usable in written English.
It can be used to describe something that provides various options or opportunities for action or development.
Example: "The new technology serves as a source of possibilities for innovative solutions in the industry."
Alternatives: "a wellspring of opportunities" or "a reservoir of options".
I've discovered that walking, in a purposeful and conscious way, is the walking that has the most magical of all benefits, because it connects you to a higher spiritual place, a source of unlimited possibilities.
With all due reserve, one can, however, state that the application of melatonin is still a source of hopes for possibilities of intervention, also because melatonin is usually remarkably well tolerated by the treated individual, contrary to many other medications.
Risk in this case is a source of danger; a possibility of incurring loss through mismanagement of GW treatment systems or by not taking enough precautions in determining the potential usage of treated GW complying with the standards.
Here order is internal, found at home, part of the natural world of the nursery and the riverbank; disorder lies beyond, at times threatening but more often beckoning as a source of joy and Dionysian possibility — as in the beautiful chapter entitled "The Piper at the Gates of Dawn," in "The Wind in the Willows," or the celestial circus in "Mary Poppins".
"Credit is both the source of possibilities and it's a bond," said David Roodman, a senior fellow at the Center for Global Development, a research organization in Washington.
We are told by Lears that members of the culture of chance "have their own rituals, beliefs, even gods," that they treat chance "as a source of knowledge and a portal of possibility" and that they "encourage reverence for grace, luck and fortune".
This aspiration can be accompanied by hostility and resentment, seeing America as a source of restrictions rather than the birthplace of possibilities.
In particular, I've found that Twitter is a useful tool for accelerating the process of injecting random online experiences into my life and turning them into a source of offline fun, opportunity and possibility.
Feces containing MRSA may serve as a source of contamination due to the possibility of spreading to surrounding surfaces by contact with healthcare workers' hands.
Dromedary camels have been proposed as a source of human infection; however, the possibility of other reservoirs and intermediate hosts has not been excluded (2, 8 ).
