Mark 8:13-15

¹³Then he left them. He got into the boat again, along with his disciples, and they went further around Lake Galilee.

¹⁴The disciples had forgotten to bring along enough food. Specifically, they had only one flat loaf of bread with them in the boat.

¹⁵As they were going, Jesus warned them against the attitudes the Pharisees and Herod Antipas had, attitudes that were having a bad effect on other people. He did this by telling them a parable. He said, “Be careful! Beware of the yeast of the Pharisees and the yeast of Herod!”