Whoever supports his people in something other than the truth is like a camel that has fallen into a well and is being pulled out by its tail.
حدثنا النفيلي حدثنا زهير حدثنا سماك بن حرب
من نصر قومه على غير الحق فهو كالبعير الذي ردي فهو ينزع بذنبه
[Its isnad is sahih] See the following hadith. It was also recorded by Abu Dawud Tayalisi in his Musnad, no. 344, from the hadith of Simak bin Harb, with the same wording, and Ibn Hibban graded it sahih (Mawarid), no. 1198 (and Ihsan, no. 5912).