John 14:5
And Thomas says to Him, Lord, we know not whither thou goest: and how do we know the way?
John 11:16
Then Thomas, called Didymus, said to his fellow-disciples; Let us go too, that we may die with Him.
Mark 8:17-18
And Jesus knowing says to them, Why do you reason because you have not bread? do you not yet know, nor understand? have you your heart still hardened?
Mark 9:19
And He responding to them, says, O faithless generation, how long shall I be with you? how long shall I bear with you? Bring him hither to me.
Luke 24:25
And He said to them, O ye foolish, and slow in heart to believe in all those things which the prophet spoke!
John 15:12
This is my commandment, that you may love one another, as I loved you.
John 20:25-28
Then the other disciples said to him, We have seen the Lord. And he said to them, Unless I may see the print of the nails in His hand, and thrust my finger into the place of the nails, and thrust my hand into His side, I will not believe.
Hebrews 5:11-12
Concerning whom there is much word to us, and difficult to speak, since you are dull of hearing.