Mark 3:21

and his friends having heard, went forth to lay hold on him, for they said that he was beside himself,

John 10:20

and many of them said, 'He hath a demon, and is mad, why do ye hear him?'

Acts 26:24

And, he thus making a defence, Festus with a loud voice said, 'Thou art mad, Paul; much learning doth turn thee mad;'

Mark 3:31

Then come do his brethren and mother, and standing without, they sent unto him, calling him,

2 Corinthians 5:13

for whether we were beside ourselves, it was to God; whether we be of sound mind -- it is to you,

2 Kings 9:11

And Jehu hath gone out unto the servants of his lord, and one saith to him, 'Is there peace? wherefore came this madman unto thee?' and he saith unto them, 'Ye have known the man and his talk.'

Jeremiah 29:26

Jehovah hath made thee priest instead of Jehoiada the priest, for there being inspectors of the house of Jehovah, for every one mad and making himself a prophet, and thou hast put him unto the torture and unto the stocks.

Hosea 9:7

Come in have the days of inspection, Come in have the days of recompence, Israel doth know! a fool is the prophet, Mad is the man of the Spirit, Because of the abundance of thine iniquity, And great is the hatred.

John 7:3-10

his brethren, therefore, said unto him, 'Remove hence, and go away to Judea, that thy disciples also may behold thy works that thou dost;

Treasury of Scripture Knowledge

Summary

And when his friends heard of it, they went out to lay hold on him: for they said, He is beside himself.

Bible References

Friends

Mark 3:31
Then come do his brethren and mother, and standing without, they sent unto him, calling him,
John 7:3
his brethren, therefore, said unto him, 'Remove hence, and go away to Judea, that thy disciples also may behold thy works that thou dost;

He is

2 Kings 9:11
And Jehu hath gone out unto the servants of his lord, and one saith to him, 'Is there peace? wherefore came this madman unto thee?' and he saith unto them, 'Ye have known the man and his talk.'
Jeremiah 29:26
Jehovah hath made thee priest instead of Jehoiada the priest, for there being inspectors of the house of Jehovah, for every one mad and making himself a prophet, and thou hast put him unto the torture and unto the stocks.
Hosea 9:7
Come in have the days of inspection, Come in have the days of recompence, Israel doth know! a fool is the prophet, Mad is the man of the Spirit, Because of the abundance of thine iniquity, And great is the hatred.
John 10:20
and many of them said, 'He hath a demon, and is mad, why do ye hear him?'
Acts 26:24
And, he thus making a defence, Festus with a loud voice said, 'Thou art mad, Paul; much learning doth turn thee mad;'
2 Corinthians 5:13
for whether we were beside ourselves, it was to God; whether we be of sound mind -- it is to you,

General references

Ezekiel 3:25
'And thou, son of man, lo, they have put on thee thick bands, and have bound thee with them, and thou goest not forth in their midst;
Mark 6:36
let them away, that, having gone away to the surrounding fields and villages, they may buy to themselves loaves, for what they may eat they have not.'
Luke 8:19
And there came unto him his mother and brethren, and they were not able to get to him because of the multitude,
John 7:5
for not even were his brethren believing in him.