2 Kings 9:11

Then Jehu came forth to the servants of his lord: and one said unto him, Is all well? wherefore came this mad fellow to thee? And he said unto them, Ye know the man, and his communication.

Is all well? Jehu's attendants knew that the stranger belonged to the order of the prophets by his garb, gestures, and form of address; and soldiers like them very readily concluded such persons to be crack-brained, not only from the sordid negligence of their personal appearance, and their open contempt of the world, but from the religious pursuits in which their whole lives were spent, and the grotesque actions which they frequently performed (cf. 1 Samuel 19:24; Jeremiah 29:26).