Ibrahim al-Nakha'i إبراهيم النخعي · Chapters on Dress

I saw the Messenger of Allah (ﷺ) delivering a sermon, and Hasan and Husain came forward, wearing red shirts, stumbling and getting up again. The Prophet (ﷺ) stepped down, picked them up and put them in his lap. Then he said: “Allah and His Messenger have spoken the truth. ‘Your wealth and your children are only a trial.’ I saw these two and I could not be patient. Then he resumed his sermon.”