John 14:5
Thomas says to him, Lord, we know not where thou retirest; 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 might die with him.
Mark 8:17-18
And Jesus having known, says to them, Why reason ye with yourselves, because ye have no loaves? observe ye not yet, neither understand? have ye your heart yet hardened?
Mark 9:19
And he having answered, says to him, O faithless generation, how long shall I be with you how long shall I bear with you? bring him to me.
Luke 24:25
And he said to them, O ye unwise, and slow in heart to believe in all things which the prophets spake:
John 15:12
This is my command, That ye love one another, as I loved you.
John 20:25-28
Then said the other disciples to him, We have seen the Lord. And he said to them, Except I see in his hands the mark of the nails, and put my finger in the mark of the nails, and put my hand into his side, I will not believe.
Hebrews 5:11-12
Of whom great is the word to us, and difficult of interpretation to speak, since ye have been sluggish in the hearing.