He told them another parable: The kingdom of heaven is like leaven (sour dough) which a woman took and covered over in three measures of meal or flour till all of it was leavened. [Gen. 18:6.]
You have been regenerated (born again), not from a mortal origin (seed, sperm), but from one that is immortal by the ever living and lasting Word of God.
Another story by way of comparison He set forth before them, saying, The kingdom of heaven is like a grain of mustard seed, which a man took and sowed in his field.
While anyone is hearing the Word of the kingdom and does not grasp and comprehend it, the evil one comes and snatches away what was sown in his heart. This is what was sown along the roadside.
Listen to another parable: There was a master of a house who planted a vineyard and put a hedge around it and dug a wine vat in it and built a watchtower. Then he let it out [for rent] to tenants and went into another country.
And He went about all Galilee, teaching in their synagogues and preaching the good news (Gospel) of the kingdom, and healing every disease and every weakness and infirmity among the people.
Because of the hope [of experiencing what is] laid up (reserved and waiting) for you in heaven. Of this [hope] you heard in the past in the message of the truth of the Gospel,
Therefore the word of the Lord will be to them [merely monotonous repeatings of]: precept upon precept, precept upon precept, rule upon rule, rule upon rule; here a little, there a little–that they may go and fall backward, and be broken and snared and taken.
For it is [His prophets repeating over and over]: precept upon precept, precept upon precept, rule upon rule, rule upon rule; here a little, there a little.