2 Samuel 18:9-12

And Absalom happened to meet the servants of David. Absalom was riding on his mule, and the mule went under the thick branches of a great oak, and his head caught fast in the oak, and he was suspended between heaven and earth, while the mule that was under him went on. And a certain man saw it and told Joab, “Behold, I saw Absalom hanging in an oak.” Joab said to the man who told him, “What, you saw him! Why then did you not strike him there to the ground? I would have been glad to give you ten pieces of silver and a belt.” But the man said to Joab, “Even if I felt in my hand the weight of a thousand pieces of silver, I would not reach out my hand against the king’s son, for in our hearing the king commanded you and Abishai and Ittai, ‘For my sake protect the young man Absalom.’