The more the Supper depends on us, the less we can depend on it.

“For here we conclude and say: Even though a knave takes or distributes the Sacrament, he receives the true Sacrament, that is, the true body and blood of Christ, just as truly as he who [receives or] administers it in the most worthy manner. For it is not founded upon the holiness of men, but upon the Word of God.”