Glossa Ordinaria
Catena Aurea · Markusevangelium 4
And he said, Whereunto shall we liken the kingdom of God? or with what comparison shall we compare it? It is like a grain of mustard seed, which, when it is sown in the earth, is less than all the seeds that be in the earth: But when it is sown, it groweth up, and becometh greater than all herbs, and shooteth out great branches; so that the fowls of the air may lodge under the shadow of it. And with many such parables spake he the word unto them, as they were able to hear it. But without a parable spake he not unto them: and when they were alone, he expounded all things to his disciples.
(non occ.) After having narrated the parable concerning the coming forth of the fruit from the seed of the Gospel, he here subjoins another parable, to shew the excellence of the doctrine of the Gospel before all other doctrines. Wherefore it is said, And he said, Whereunto shall we liken the kingdom of God?