King James Version
Be ye not as the horse, or as the mule, which have no understanding: whose mouth must be held in with bit and bridle, lest they come near unto thee.English Standard Version
Be not like a horse or a mule, without understanding, which must be curbed with bit and bridle, or it will not stay near you.New International Version
Do not be like the horse or the mule, which have no understanding but must be controlled by bit and bridle or they will not come to you.