Luke 13:20-21

Again he asked, ‘What shall I compare the kingdom of God to? It is like yeast that a woman took and mixed into about thirty kilograms of flour until it worked all through the dough.’

Luke 22:19-20

And he took bread, gave thanks and broke it, and gave it to them, saying, “This is my body given for you; do this in remembrance of me.”

In the same way, after the supper he took the cup, saying, “This cup is the new covenant in my blood, which is poured out for you.