The Jews were born sons, and brought up by the Law in the worship of one God. The bread is the Gospel, its miracles and other things which pertain to our salvation. It is not then meet that these should be taken from the children and given to the Gentiles, who are dogs, till the Jews refuse them.
Reproduced in full. Translation: Oxford 1841 (Newman), public domain (Public domain).
Also cites: ap. Anselm