The phrase "a source of unity" is correct and usable in written English.
You can use it to describe something that brings people together or fosters a sense of togetherness.
Example: "The community center has become a source of unity for residents, hosting events that encourage collaboration and friendship."
Alternatives: "a means of cohesion" or "a catalyst for togetherness."
Intentionally or not, the book ends up demonstrating just how swiftly grief can be transformed from a source of unity to one of conflict.
The post-election rallies may be a source of unity for some South Florida minorities, but "there are certain things that still divide blacks and Jews," said George Wilson an assistant professor of sociology at the University of Miami.
So the constant invocations of mass death and devastation were proffered to the conventioneers and their television audience not only as a bad thing but also, perversely, as something to cherish, even to celebrate, as a source of unity and purpose.
But the forum aims to be a source of unity for different communities in Rochdale.
It is tempting for an outsider to believe that Bosnia's World Cup participation could be a source of unity in a country which still suffers from serious divisions among the ethnic groups.
Our commitment to BBBS has been a source of unity internally and has been deeply rewarding for us.
The language of the Romans was Latin, which Virgil emphasizes as a source of Roman unity and tradition.
The failure of the Arab League as a source of Arab unity is an additional piece of evidence that the Arabs are not a singular people.
It has risen against the background of one of the world's most intractable civil conflicts, providing a rare source of unity for a war-torn nation.
Though many of them still look to the king as a source of authority and unity, they too will need to be drawn into a more democratic system.As Europe's economy falters, the king hopes that his rapprochement with his rich peers in the six-country Gulf Co-operation Council may encourage investment in Morocco and give his people better access to the Gulf job market.
Football in Brazil is a national obsession, a source of national identity and unity.
