26 And He was saying, "The kingdom of God is like a man who casts seed upon the soil; 27 and he goes to bed at night and gets up by day, and the seed sprouts and grows--how, he himself does not know. 28 "The soil produces crops by itself; first the blade, then the head, then the mature grain in the head. 29 "But when the crop permits, he immediately puts in the sickle, because the harvest has come."