John 14:5
Thomas says to him, Lord, we know not where thou go. How can we know the way?
John 11:16
Therefore Thomas, called Didymus, said to his fellow disciples, Let us also go, that we may die with him.
Mark 8:17-18
And knowing it Jesus says to them, Why do ye deliberate because ye have no loaves? Do ye not yet perceive nor understand? Have ye your heart still hardened?
Mark 9:19
And having answered him, he says, O faithless generation, how long will I be with you? How long will I endure you? Bring him to me.
Luke 24:25
And he said to them, O foolish men, and slow of heart to believe in all that the prophets spoke.
John 15:12
This is my commandment, that ye love each other, just 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 may see the mark of the nails in his hands, and put my finger into the mark of the nails, and put my hand into his side, I will, no, no
Hebrews 5:11-12
About whom, much subject matter from us is also difficult to explain, since ye have become sluggish in hearing.