John 14:5
Thomas saith to him, Lord, we know not whither thou goest, and how can we know the way?
John 11:16
Then said Thomas, called Didymus, to his fellow-disciples, Let us also go, that we may die with him.
Mark 8:17-18
And Jesus knowing it saith to them, Why reason ye, because ye have no bread? Perceive ye not yet, neither consider? Have ye your heart yet hardened?
Mark 9:19
He answereth them and saith, O faithless generation, how long shall I be with you?
Luke 24:25
Then he said to them, O foolish, and slow of heart to believe all that the prophets have spoken!
John 15:12
This is my commandment, that ye love one another, as I have loved you.
John 20:25-28
The other disciples therefore said to him, We have seen the Lord. But he said to them, Unless I see the print of the nails in his hands, and put my finger into the prints of the nails, and thrust my hand into his side, I will not believe.
Hebrews 5:11-12
Concerning whom we have many things to say, and hard to be explained, seeing ye are become dull of hearing.