Faith
Since Christ Himself has said, This is My Body, who shall dare to doubt?
St. Cyril of Jerusalem · Widely attributed to St. Cyril of Jerusalem · Commonly Accepted Saying
Status: Commonly accepted attribution · Verified reference
Eucharist
Verified quotation · identified source text
Consider therefore the Bread and the Wine not as bare elements, for they are, according to the Lord’s declaration, the Body and Blood of Christ.
St. Cyril of Jerusalem · Catechetical Lectures, Lecture 22.6 · Catechetical Lectures
Status: Text verified against identified public-domain English source · Verified reference
Primary/classic source