§ 02 · King James Bible
Matthew 16:12
Then understood they how that he bade them not beware of the leaven of bread, but of the doctrine of the Pharisees and of the Sadducees.
Simple English
Then they realized that he didn't want them to avoid the yeast in bread, but to stay away from the teachings of the Pharisees and Sadducees.
* Work in progress - there may be occasional inaccuracies