KJV: In the mean time, when there were gathered together an innumerable multitude of people, insomuch that they trode one upon another, he began to say unto his disciples first of all, Beware ye of the leaven of the Pharisees, which is hypocrisy.
NASB: Under these circumstances, after so many thousands of people had gathered together that they were stepping on one another, He began saying to His disciples first of all,"Beware of the leaven of the Pharisees, which is hypocrisy.