John 14:5
Thomas says to him, Lord, we know not where thou goest, and how can we know the way?
John 11:16
Thomas therefore, called Didymus, said to his fellow disciples, Let us also go, that we may die with him.
Mark 8:17-18
And Jesus knowing it, says to them, Why reason ye because ye have no bread? Do ye not yet perceive nor understand? Have ye your heart yet hardened?
Mark 9:19
But he answering them says, O unbelieving 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 senseless and slow of heart to believe in 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 in his hands the mark of the nails, and put my finger into the mark of the nails, and put my hand into his side, I will not believe.
Hebrews 5:11-12
Concerning whom we have much to say, and hard to be interpreted in speaking of it, since ye are become dull in hearing.