John 14:5
Thomas saith to him, 'Sir, we have not known whither thou goest away, and how are we able to know the way?'
John 11:16
therefore said Thomas, who is called Didymus, to the fellow-disciples, 'We may go -- we also, that we may die with him,'
Mark 8:17-18
And Jesus having known, saith to them, 'Why do ye reason, because ye have no loaves? do ye not yet perceive, nor understand, yet have ye your heart hardened?
Mark 9:19
And he answering him, said, 'O generation unbelieving, till when shall I be with you? till when shall I suffer you? bring him unto me;'
Luke 24:25
And he said unto them, 'O inconsiderate and slow in heart, to believe on all that the prophets spake!
John 15:12
'This is my command, that ye love one another, according as I did love you;
John 20:25-28
the other disciples, therefore, said to him, 'We have seen the Lord;' and he said to them, 'If I may not see in his hands the mark of the nails, and may put my finger to the mark of the nails, and may put my hand to his side, I will not believe.'
Hebrews 5:11-12
concerning whom we have much discourse and of hard explanation to say, since ye have become dull of hearing,