From Matthew 13:44: The kingdom of heaven is like treasure hidden in a field, which a man found and covered up; then in his joy he goes and sells all that he has and buys that field. Like the Parable of the Pearl, the intent of this parable is to convey that some rewards are great enough to be worth great sacrifices: the man may have to sell all that he had in order to be able to buy the field, but when he buys the field, he gains the treasure in it, which is worth more than all that he sold. Jesus told this parable to express the idea that even if living according to God's commandments was a difficult thing to do and demanded great sacrifices, they would result in the reward of the Kingdom of Heaven. An alternate interpretation is that Jesus is the man who buys the field, paying for it