Matthew 13:33
Jesus spoke another parable to them, “The kingdom of heaven is like leaven, which a woman took and hid in three pecks of flour until it was all leavened.”

This is one of Jesus’ many “Kingdom parables” where He compares the Kingdom of God to something else in order to relate truth about how His Kingdom operates. And at first glance, this parable could be interpreted as God’s Kingdom positively affecting the world around it. However, I think if we dig a little deeper we’ll find something different.

In this parable Jesus used the Old Testament understanding of leaven along with an example from his culture to relate a truth about the Kingdom of God.

So what does the Old Testament (and parts of the New Testament) say about leaven? Well, according to the following passages, it is consistently shown in Scripture as exemplifying the presence of impurity or evil.

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