4 Bible Verses about Lunatics

so he pretended to be insane in their presence. He acted like a madman around them, scribbling on the doors of the gate and letting saliva run down his beard. “Look! You can see the man is crazy,” Achish said to his servants. “Why did you bring him to me? Do I have such a shortage of crazy people that you brought this one to act crazy around me? Is this one going to come into my house?”

While the words were still in the king’s mouth, a voice came from heaven: “King Nebuchadnezzar, to you it is declared that the kingdom has departed from you. You will be driven away from people to live with the wild animals, and you will feed on grass like cattle for seven periods of time, until you acknowledge that the Most High is ruler over the kingdom of men, and He gives it to anyone He wants.” At that moment the sentence against Nebuchadnezzar was executed. He was driven away from people. He ate grass like cattle, and his body was drenched with dew from the sky, until his hair grew like eagles’ feathers and his nails like birds’ claws. read more.
But at the end of those days, I, Nebuchadnezzar, looked up to heaven, and my sanity returned to me. Then I praised the Most High and honored and glorified Him who lives forever:

For His dominion is an everlasting dominion,
and His kingdom is from generation to generation.
All the inhabitants of the earth are counted as nothing,
and He does what He wants with the army of heaven
and the inhabitants of the earth.
There is no one who can hold back His hand
or say to Him, “What have You done?” At that time my sanity returned to me, and my majesty and splendor returned to me for the glory of my kingdom. My advisers and my nobles sought me out, I was reestablished over my kingdom, and even more greatness came to me.

Many of them were saying, “He has a demon and He’s crazy! Why do you listen to Him?”

As he was making his defense this way, Festus exclaimed in a loud voice, “You’re out of your mind, Paul! Too much study is driving you mad!”