Significance of Parables and Stories in Mark's Gospel
The significance of the parable of the mustard seed is that it is a metaphor for the kingdom of heaven. The mustard seed starts as the smallest seed, but as it grows, and the faith begins to spread, it will eventually become the biggest plant and this represents how more faith leads to a more prominent kingdom of heaven. Mustard seed is faith, bush is kingdom of God, and birds are the people.
In the story of the rich man, Jesus tells the rich man to give up all of his wealth to the poor if he wants to enter into heaven. The widow contributes a small amount of money to the offering, which may not seem like a lot of money, but to her it is a lot. In both narratives, Jesus is saying how it is important to give up what you can to others in order...