He replied, "Because you have so little faith. Truly I tell you, if you have faith as small as a mustard seed, you can say to this mountain, 'Move from here to there,' and it will move. Nothing will be impossible for you."
NIV
He said to them, Because of the littleness of your faith [that is, your lack of firmly relying trust]. For truly I say to you, if you have faith [that is living] like a grain of mustard seed, you can say to this mountain, Move from here to yonder place, and it will move; and nothing will be impossible to you.
AMP
And Jesus said unto them, Because of your unbelief: for verily I say unto you, If ye have faith as a grain of mustard seed, ye shall say unto this mountain, Remove hence to yonder place; and it shall remove; and nothing shall be impossible unto you.
KJV
Therefore since it still remains for some to enter that rest, and since those who formerly had the good news proclaimed to them did not go in because of their disobedience
NIV
Seeing then that the promise remains over [from past times] for some to enter that rest, and that those who formerly were given the good news about it and the opportunity, failed to appropriate it and did not enter because of disobedience
AMP
Seeing therefore it remaineth that some must enter therein, and they to whom it was first preached entered not in because of unbelief:
KJV
Then he said to Thomas, "Put your finger here; see my hands. Reach out your hand and put it into my side. Stop doubting and believe."
NIV
Then He said to Thomas, Reach out your finger here, and see My hands; and put out your hand and place [it] in My side. Do not be faithless and incredulous, but [stop your unbelief and] believe!
AMP
Then saith he to Thomas, Reach hither thy finger, and behold my hands; and reach hither thy hand, and thrust it into my side: and be not faithless, but believing.
KJV
See to it, brothers and sisters, that none of you has a sinful, unbelieving heart that turns away from the living God.
NIV
[Therefore beware] brethren, take care, lest there be in any one of you a wicked, unbelieving heart [which refuses to cleave to, trust in, and rely on Him], leading you to turn away and desert or stand aloof from the living God.
AMP
Take heed, brethren, lest there be in any of you an evil heart of unbelief, in departing from the living God.
KJV
Later Jesus appeared to the Eleven as they were eating; he rebuked them for their lack of faith and their stubborn refusal to believe those who had seen him after he had risen.
NIV
Afterward He appeared to the Eleven [apostles themselves] as they reclined at table; and He reproved and reproached them for their unbelief (their lack of faith) and their hardness of heart, because they had refused to believe those who had seen Him and looked at Him attentively after He had risen [from death].
AMP
Afterward he appeared unto the eleven as they sat at meat, and upbraided them with their unbelief and hardness of heart, because they believed not them which had seen him after he was risen.
KJV
By faith Noah, when warned about things not yet seen, in holy fear built an ark to save his family. By his faith he condemned the world and became heir of the righteousness that is in keeping with faith.
NIV
[Prompted] by faith Noah, being forewarned by God concerning events of which as yet there was no visible sign, took heed and diligently and reverently constructed and prepared an ark for the deliverance of his own family. By this [his faith which relied on God] he passed judgment and sentence on the world's unbelief and became an heir and possessor of righteousness (that relation of being right into which God puts the person who has faith). [Gen. 6:13-22.]AMP
By faith Noah, being warned of God of things not seen as yet, moved with fear, prepared an ark to the saving of his house; by the which he condemned the world, and became heir of the righteousness which is by faith.
KJV
Immediately the boy's father exclaimed, "I do believe; help me overcome my unbelief!"
NIV
At once the father of the boy gave [an eager, piercing, inarticulate] cry with tears, and he said, Lord, I believe! [Constantly] help my weakness of faith!
AMP
And straightway the father of the child cried out, and said with tears, Lord, I believe; help thou mine unbelief.
KJV
Even though I was once a blasphemer and a persecutor and a violent man, I was shown mercy because I acted in ignorance and unbelief.
NIV
Though I formerly blasphemed and persecuted and was shamefully and outrageously and aggressively insulting [to Him], nevertheless, I obtained mercy because I had acted out of ignorance in unbelief.
AMP
Who was before a blasphemer, and a persecutor, and injurious: but I obtained mercy, because I did it ignorantly in unbelief.
KJV
Granted. But they were broken off because of unbelief, and you stand by faith. Do not be arrogant, but tremble.
NIV
That is true. But they were broken (pruned) off because of their unbelief (their lack of real faith), and you are established through faith [because you do believe]. So do not become proud and conceited, but rather stand in awe and be reverently afraid.
AMP
Well; because of unbelief they were broken off, and thou standest by faith. Be not highminded, but fear:
KJV