And he answered, "My lord, O king, my servant deceived me. For your servant said, "I will saddle a donkey for myself, that I may ride on it and go to the king,' because your servant is lame.
2 Samuel 19:26
Surrounding context
19:25 So it was, when he had come to Jerusalem to meet the king, that the king said to him, "Why did you not go with me, Mephibosheth?"
19:26 And he answered, "My lord, O king, my servant deceived me. For your servant said, "I will saddle a donkey for myself, that I may ride on it and go to the king,' because your servant is lame.
19:27 And he has slandered your servant to my lord the king, but my lord the king is like the angel of God. Therefore do what is good in your eyes.