Sowing in the spirit

To understand what it means "sowing in the spirit", we have to know the meaning of the parable of the good samarithan (Luke 10:25-37), and the parable of the sower (Matthew 13). The parable of the good samarithan explain to us that we have to choose between the sin like the pharisee or we live righteously like the good samarithan. The good samarithan acts according to the golden rule, this rule is known as the spiritual gift of rectitude or imitate god. Imitate God is to live according to the spirit. Practice the sin is to live according to the flesh. We have to choose. The 10 commanments is these scheme is a form of error, an heresy.
The parable of the sower explain to us the importance of receive the wisdom of God, retain it and put it in practice with constancy. The spiritual gift of fear of the lord or serenity is define as constancy, firmness, devotion, ecuanimity. This gift is the path to ilumination.
Sowing in the spirit is the resume of this parables, is to live righteously, to search the wisdom of god with contancy and firmness. The kingdom of god as ethical concept means all this, to search the true good for men: the eternal life.