'Mule' in the Bible
And the servants of Absalom did to Amnon as Absalom had commanded. Then all the king's sons arose, and they rode each upon his mule and fled.
And Absalom found himself in the presence of David's servants. And Absalom was riding upon a mule, and the mule went under the thick boughs of the great terebinth, and his head caught in the terebinth, and he was taken up between the heaven and the earth; and the mule that was under him went away.
And the king said to them, Take with you the servants of your lord, and cause Solomon my son to ride upon mine own mule, and bring him down to Gihon;
And Zadok the priest, and Nathan the prophet, and Benaiah the son of Jehoiada, and the Cherethites and the Pelethites went down, and caused Solomon to ride upon king David's mule, and brought him to Gihon.
And the king has sent with him Zadok the priest, and Nathan the prophet, and Benaiah the son of Jehoiada, and the Cherethites and the Pelethites, and they have caused him to ride upon the king's mule;
Be ye not as a horse, as a mule, which have no understanding: whose trappings must be bit and bridle, for restraint, or they will not come unto thee.