Hilary of Poitiers
Catena Aurea · Matthäusevangelium 5
Think not that I am come to destroy the Law, or the Prophets: I am not come to destroy, but to fulfil. For verily I say unto you, Till heaven and earth pass, one jot or one tittle shall in no wise pass from the law, till all be fulfilled. Whosoever therefore shall break one of these least commandments, and shall teach men so, he shall be called the least in the kingdom of heaven: but whosoever shall do and teach them, the same shall be called great in the kingdom of heaven.
Or, He calls the passion, and the cross, the least, which if one shall not confess openly, but be ashamed of them, he shall be least, that is, last, and as it were no man; but to him that confesses it He promises the great glory of a heavenly calling.