Acts 12:15
But they said to her, You are mad. But she asserted strongly that it was so. And they said, It is his angel.
Matthew 18:10
See that you despise not one of these little ones; for I tell you that their angels always behold the face of my Father in heaven.
Mark 16:11
and when they heard that he was alive, and had been seen by her, they did not believe it.
Mark 16:14
And afterwards he appeared to the eleven, as they reclined, and reproached their unbelief and hardness of heart, because they believed not those who had seen him since he rose from the dead.
Luke 24:11
And their words appeared to them like idle talk; and they believed them not.
Luke 24:37-38
and they being terrified and afraid, thought they saw a spirit.
Acts 26:24
And when Paul had said these words, Festus said with a loud voice, You are mad, Paul; much learning has driven you to madness.