Amīr al-mu’minīn's declaration of truth and steadfastness
Nahj al-Balāgha|Volume 1|Book 3|Chapter 185
١٨٥. وَقَالَ (عليه السلام): مَا كَذَبْتُ وَلَا كُذِّبْتُ، وَلَا ضَلَلْتُ وَلَا ضُلَّ بِي.
185. Amīr al-mu’minīn, peace be upon him, said: I have neither spoken a lie nor have I been told a lie. I have neither deviated nor have I been made to deviate (others).