The parable of the Growing seed Mark 4:26

26 Jesus wants on to say," The kingdom of God is like this. A man scatters seed in his field. 27 He sleeps at night, is up and about during the day, and all the while the seeds are sprouting and growing. Yet he does not know how it happen. 28 The soil itself makes the plants grow and bear fruit; first the tender stack appears, then the ear, and finally the ear full of corn. 29 When the corn is ripe, the man start cutting it