Acts 12:15
"You are mad," they said. But she insisted it was true. "It is his angel," they said.
Matthew 18:10
See that you do not despise one of these little ones; for I tell you, their angels in heaven always look on the face of my Father in heaven.
Mark 16:11
but although they heard he was alive and had been seen by her, they would not believe it.
Mark 16:14
Afterwards he appeared at table to the eleven themselves and reproached them for their unbelief and dulness of mind, because they had not believed those who saw him risen from the dead. [But they excused themselves, saying, "This age of lawlessness and unbelief lies under the sway of Satan, who will not allow what lies under the unclean spirits to understand the truth and power of God; therefore," they said to Christ, "reveal your righteousness now." Christ answered them, "The term of years for Satan's power has now expired, but other terrors are at hand. I was delivered to death on behalf of sinners, that they might return to the truth and sin no more, that they might inherit that glory of righteousness which is spiritual and imperishable in heaven."]
Luke 24:11
But this story of the women seemed in their opinion to be nonsense; they would not believe them.
Luke 24:37-38
They were scared and terrified, imagining it was a ghost they saw;
Acts 26:24
When he brought this forward in his defence, Festus called out, "Paul, you are quite mad! Your great learning is driving you insane."