The phrase 'in the unity' is correct and can be used in written English.
For example, "Let us come together in the unity of our common goal."
Moderates in the Unity party insisted that the newcomers were unfit for office.
Mr Burg says that, as leader, he would "reassess" Labour's role in the unity government.
Schism, in Christianity, a break in the unity of the church.
But in the 5th century a severe break in the unity of the church took place.
George Galloway's appearance on Big Brother did not do much for unity in the unity coalition.
"I want to reaffirm, as king, my faith in the unity of Spain".
"I believe in the unity of Sudan and I believe we can create a Sudanese union.
It seems to me there are already cracks in the unity of the socialist camp.
He believed in the unity of all things, living and dead.
Parallelism, the interpretation of scripture by means of scripture, is a corollary of the belief in the unity of scripture.
At 5, Jack is somewhat delayed developmentally, still living wholly in the unity he feels with his mother.
