27 He sleeps and rises night and day, and the seed sprouts and grows; he knows not how.28 The earth produces by itself, first the blade, then the ear, then the full grain in the ear.29 But when the grain is ripe, at once he puts in the sickle, because the harvest has come.”

30 And he said, “With what can we compare the kingdom of God, or what parable shall we use for it?31 It is like a grain of mustard seed, which, when sown on the ground, is the smallest of all the seeds on earth,