This activity for the most part has its significance in its quality of being a connecting link, in the first place, as the transmitter of Greek knowledge to the East, and secondly, as the Unifier of this knowledge with the heritage which Sasanian Persia had received from scientific works belonging to Semitic culture, as well as from the science of India.
"Iranian Influence on Moslem Literature, Part I"
M. Inostranzev
Religion, which had been the great Unifier, became the chief engine of separation.
"The Unity of Civilization"
Various
Sentiment is an excellent thing; but as part of the Empire is Dutch and part French, and as even British colonists tend to forget the Mother Country and look upon their own new country as the centre and the boundary of their patriotism, we need the perpetual Unifier of material interest.
"A Short History of English Liberalism"
Walter Lyon Blease