Mark 4:26-28 NIV

The Parable of the Growing Seed

26 He also said, "This is what the kingdom of God is like.1 A man scatters seed on the ground.

References for Mark 4:26

27 Night and day, whether he sleeps or gets up, the seed sprouts and grows, though he does not know how.
28 All by itself the soil produces grain--first the stalk, then the head, then the full kernel in the head.