Matthew 16:9,11
Do you not yet understand, neither remember the five loaves of the five thousand, and how many baskets you took up?
Torrey's Topical Textbook—AKJV

Mark 7:18
And he said to them, Are you so without understanding also? Do you not perceive, that whatever thing from without enters into the man, it cannot defile him;
Torrey's Topical Textbook—AKJV

Luke 24:25
Then he said to them, O fools, and slow of heart to believe all that the prophets have spoken:
Torrey's Topical Textbook—AKJV

John 8:43
Why do you not understand my speech? even because you cannot hear my word.
Torrey's Topical Textbook—AKJV

John 13:7,8
Jesus answered and said to him, What I do you know not now; but you shall know hereafter.
Torrey's Topical Textbook—AKJV