Abdur Rahman bin Mahdi عبد الرحمن بن مهدي · The Book of ad-Dahaya (Sacrifices)

"We slaughtered the sacrifice with the Messenger of Allah on day, and the people slaughtered their sacrifices before the prayer. When he finished (the prayer) the Prophet saw that they had slaughtered their sacrifices before the prayer. He said: "Whoever slaughtered his sacrifice before the prayer, let him slaughter another in its place, and whoever did not slaughter his sacrifice until we had prayed, let him slaughter it in the name of Allah, The Mighty and Sublime," (Sahih )

"A man asked 'Ali" Did the Messenger of Allah used to tell you anything in secret that he did not tell the people?' Ali got so angry that his face turned red, and he said: 'He used not to tell me anything in secret that he di8d not tell the people except that he told me four things when he and I were alone in the house. He said: Allah curses the alone who curses his father, Allah curses the…