11Then the Pharisees came and began to argue with Jesus, testing Him by demanding from Him a sign from heaven.
12Jesus sighed deeply in His spirit and said, “Why does this generation demand a sign? Truly I tell you, no sign will be given to this generation.”
13And He left them, got back into the boat, and crossed to the other side.
14Now the disciples had forgotten to take bread, except for one loaf they had with them in the boat.
15“Watch out!” He cautioned them. “Beware of the leaven of the Pharisees and of Herod.”