Luke 24:37
"But they were terrified and affrighted, and supposed that they had seen a spirit."
Cross References (ranked by relevance)
1 Samuel 28:13
And the king said unto her, Be not afraid: for what sawest thou? And the woman said unto Saul, I saw gods ascending out of the earth.
Acts 12:15
And they said unto her, Thou art mad. But she constantly affirmed that it was even so. Then said they, It is his angel.
Luke 16:30
And he said, Nay, father Abraham: but if one went unto them from the dead, they will repent.