John 10:20
Many of them said: "He is possessed by a demon and is mad; why do you listen to him?"
Acts 26:24
While Paul was making this defense, Festus called out loudly: "You are mad, Paul; your great learning is driving you mad."
Mark 3:21
When his relations heard of it, they went to take charge of him, for they said that he was out of his mind.
Acts 17:18
Among others, some Epicurean and Stoic Philosophers joined issue with him. Some would ask "What is this prater wanting to make out?", while others would say "He seems to be a Preacher of foreign Deities." (This was because he was telling the Good News about Jesus and the Resurrection).
1 Corinthians 4:10
We, for Christ's sake, are 'fools,' but you, by your union with Christ, are men of discernment. We are weak, but you are strong. You are honored, but we are despised.
2 Corinthians 5:13
For, if we were "beside ourselves," it was in God's service! If we are not in our senses, it is in yours!