10 he got into the boat with his disciples and went to the region of Dalmanutha.
11 The Pharisees came and began to question Jesus. To test him, they asked him for a sign from heaven.

References for Mark 8:11

12 He sighed deeply and said, “Why does this generation ask for a sign? Truly I tell you, no sign will be given to it.”

References for Mark 8:12

13 Then he left them, got back into the boat and crossed to the other side.

The Yeast of the Pharisees and Herod

14 The disciples had forgotten to bring bread, except for one loaf they had with them in the boat.

References for Mark 8:14

      15 “Be careful,” Jesus warned them. “Watch out for the yeast of the Pharisees and that of Herod.”

      References for Mark 8:15

      16 They discussed this with one another and said, “It is because we have no bread.”
      17 Aware of their discussion, Jesus asked them: “Why are you talking about having no bread? Do you still not see or understand? Are your hearts hardened?

      References for Mark 8:17

      18 Do you have eyes but fail to see, and ears but fail to hear? And don’t you remember?
      19 When I broke the five loaves for the five thousand, how many basketfuls of pieces did you pick up?”“Twelve,” they replied.

      References for Mark 8:19

      20 “And when I broke the seven loaves for the four thousand, how many basketfuls of pieces did you pick up?”They answered, “Seven.”

      References for Mark 8:20

      21 He said to them, “Do you still not understand?”

      References for Mark 8:21