No day was more difficult for Allah’s Messenger than the Day (Battle) of Uhud in which his uncle Hamza, the lion of Allah and the lion of His Messenger, was killed, and after it was the Day of Mu'tah in which his cousin Ja'far ibn Abi Talib was killed." Then he (Zayn al-Abidin) said: "There was no day like the Day of Husayn, when thirty thousand men advanced against him (while) they claimed that they belonged to this community, and that they (wanted) to seek proximity to Allah, the Great and Almighty, through (shedding) his blood. He (al-Husayn) reminded them of Allah, but they did not learn (from him) till they killed him out of (their) oppression and aggression".

What It Means

This is a placeholder explanation generated by the low-overhead model. It interprets "No day was more difficult for Allah’s Messenger than the Day (Battle) of Uhud in which his uncle Hamza, the lion of Allah and the lion of His Messenger, was killed, and after it was the Day of Mu'tah in which his cousin Ja'far ibn Abi Talib was killed." Then he (Zayn al-Abidin) said: "There was no day like the Day of Husayn, when thirty thousand men advanced against him (while) they claimed that they belonged to this community, and that they (wanted) to seek proximity to Allah, the Great and Almighty, through (shedding) his blood. He (al-Husayn) reminded them of Allah, but they did not learn (from him) till they killed him out of (their) oppression and aggression"." in the context of "Majlisi, Bihārul Anwār 22/274, H. 21 and 44/298, H. 4." to mean that wisdom is timeless.