Mark 8:15
and when He admonished them, "See to it, be on your guard against the yeast of the Pharisees and the yeast of Herod,"
Luke 12:1
Meanwhile the people had come streaming towards Him by tens of thousands, so that they were trampling one another under foot. And now He proceeded to say to His disciples first, "Beware of the yeast of the Pharisees, that is to say, beware of hypocrisy.
Galatians 5:9
A little yeast corrupts the whole of the dough.
Matthew 16:6
and when Jesus said to them, "See to it: beware of the yeast of the Pharisees and Sadducees,"
Matthew 16:11-12
How is it you do not understand that it was not about bread that I spoke to you? But beware of the yeast of the Pharisees and Sadducees."
Luke 21:34
"But take heed to yourselves, lest your souls be weighed down with self-indulgence and drunkenness or the anxieties of this life, and that day come upon you, suddenly, like a falling trap;
Acts 14:22
Everywhere they strengthened the disciples by encouraging them to hold fast to the faith, and warned them saying, "It is through many afflictions that we must make our way into the Kingdom of God."
1 Corinthians 5:6-8
It is no good thing--this which you make the ground of your boasting. Do you not know that a little yeast corrupts the whole of the dough?
1 Peter 4:2
that in future you may spend the rest of your earthly lives, governed not by human passions, but by the will of God.