Mark 4:32

29 But when the grain is ready, he quickly sends men to get it cut, because the time for cutting has come.

30 And he said, What picture may we give of the kingdom of God, or with what story may we make it clear?

31 It is like a grain of mustard seed, which, when it is put in the earth, is smaller than all the seeds on the earth,

32 But when it is planted, it comes up, and becomes taller than all the plants, and puts out great branches, so that the birds of heaven are able to take rest in its shade.

33 And with a number of such stories he gave them his teaching, as they were able to take it:

34 And without a story he said nothing to them: but privately to his disciples he made all things clear.

35 And on that day, when the evening had come, he said to them, Let us go over to the other side.