“We ought to understand that while the names of God may differ among the various nations, nevertheless, since we are all of the same origin, we ought to consider ourselves as of one family, and not despise the kinship of the human race.” (Gregory of Nyssa, Great Catechism, 32)
“God has made all races of men of one blood. Whoever says that one man is of a different race from another makes a distinction in flesh, not in spirit or in faith.” (Augustine of Hippo, On Baptism, Against the Donatists, Book I, Chapter 1)
“God does not call men to the grace of His knowledge according to their race or language, but according to their own will and judgment.” (Cyril of Jerusalem, Catechetical Lecture 4, Paragraph 8)
“All nations are made of one blood; the earth is everywhere alike fruitful, and one sun gives light to all.” (Jerome, Letter 122 to Ageruchia)
Locus Communis 