How is it that ye do not understand that I spake it not to you concerning bread, that ye should beware of the leaven of the Pharisees and of the Sadducees?
Marcos 4:40
And he said unto them, Why are you so fearful? how is it that you have no faith?
Marcos 8:21
And he said unto them, How is it that you do not understand?
Lucas 12:56
You hypocrites, you can discern the appearance of the sky and of the earth; but how is it that you do not discern this time?
João 8:43
Why do you not understand my speech? even because you cannot hear my word.