Acts 12:15
They said to her, "You are out of your mind!" But she kept insisting that it was so. They said, "It is his angel."
Matthew 18:10
"See that you do not despise one of these little ones. For I tell you that in heaven their angels always see the face of my Father who is 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
Later he appeared to the eleven as they sat at the table; and he rebuked them for their unbelief and hardness of heart, because they did not believe those who had seen him after he had risen.
Luke 24:11
But their words seemed to them like idle tales, and they did not believe them.
Luke 24:37-38
But they were startled and frightened, and supposed that they saw a spirit.
Acts 26:24
And as he was saying this in his defense, Festus said in a loud voice, "Paul, you are out of your mind! Your great learning is driving you mad."