Matthew 13:33

He spoke another parable to them; The kingdom of heaven is like leaven which a woman took and hid in three sata [33 quarts] of flour, till the whole was leavened.

Romans 8:23

and not only it, but we ourselves also who have the first fruit of the Spirit, even ourselves groan within ourselves, waiting for the adoption, the redemption of our bodies.

1 Corinthians 15:20

But now Christ has been raised from the dead, a first fruit of those that have slept.

James 1:18

Of his own will begat he us by the word of truth, that we should be a kind of first fruit of his creatures.

Revelation 14:4

These are they who were not defiled with women; for they are virgins; these are those who follow the Lamb wherever he goes. These were redeemed from men a first fruit to God and the Lamb,

Treasury of Scripture Knowledge

Summary

Ye shall bring out of your habitations two wave loaves of two tenth deals: they shall be of fine flour; they shall be baken with leaven; they are the firstfruits unto the LORD.

Leaven

Bible References

Leaven

Matthew 13:33
He spoke another parable to them; The kingdom of heaven is like leaven which a woman took and hid in three sata [33 quarts] of flour, till the whole was leavened.