Silsilat al-Ahadith al-Sahihah

The Messenger of Allah (peace and blessings of Allah be upon him) said: "Whoever disgraces the Quraysh, Allah will disgrace him." This hadith is narrated from Sayyiduna Uthman bin Affan, Sayyiduna Sa'd bin Abi Waqqas, Sayyiduna Anas bin Malik, and Sayyiduna Abdullah bin Abbas (may Allah be pleased with them).