Matthew 16:12
Then they understood that he did not tell them to beware of the leaven of bread, but of the teaching of the Pharisees and Sadducees.
Matthew 26:26
And as they were eating Jesus took the bread, and having blessed, broke and gave to the disciples, and said, Take, eat; this is my body.
John 6:52-57
Then the Jews contended one with another, saying, How can this man give us his flesh to eat?
1 Corinthians 5:6-8
Your rejoicing is not good. Do you not know that a little leaven leavens the whole mass?
Galatians 5:9
A little leaven leavens the whole mass.
1 Thessalonians 1:6
And you became followers of us and of the Lord, having received the word in much affliction with the joy of the Holy Spirit,