Matthew 20:22

Martyrdom of Polycarp

or sacrifice, and prepared to be an acceptable burnt-offering unto God, looked up to heaven, and said, "O Lord God Almighty, the Father of thy beloved and blessed Son Jesus Christ, by whom we have received the knowledge of Thee, the God of angels and powers, and of every creature, and of the whole race of the righteous who live before thee, I give Thee thanks that Thou hast counted me, worthy of this day and this hour, that I should have a part in the number of Thy martyrs, in the cup[37]

Clement of Alexandria The Instructor Book I

You see another kind of food which, similarly with milk, represents figuratively the will of God. Besides, also, the completion of His own passion He called catachrestically "a cup,"[95]