'Doubt' in the Bible

Then He said to them, “No doubt you will quote this proverb to Me: ‘Doctor, heal yourself. So all we’ve heard that took place in Capernaum, do here in Your hometown also.’”

Now Herod the king had news of all these things: and he was in doubt, because it was said by some people that John had come back from the dead;

But if I with the finger of God cast out devils, no doubt the kingdom of God is come upon you.

“There will be signs (attesting miracles) in the sun and moon and stars; and on the earth [there will be] distress and anguish among nations, in perplexity at the roaring and tossing of the sea and the waves,

And when the captain saw what was done, he gave praise to God, saying, Without doubt this was an upright man.

And while they were in doubt about it, they saw two men in shining clothing by them:

And he said to them, Why are you troubled, and why are your hearts full of doubt?

And because, for joy and wonder, they were still in doubt, he said to them, Have you any food here?