Psalm 32:9 in the World English Bible
Don’t be like the horse, or like the mule, which have no understanding, who are controlled by bit and bridle, or else they will not come near to you.
Context
8 I will instruct thee and teach thee in the way which thou shalt go: I will guide thee with mine eye.
9 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.
10 Many sorrows shall be to the wicked: but he that trusteth in the LORD, mercy shall compass him about.