Sayyed Mohammad Al-Musawi, Sayyed Mohammad al-Musawi is originally from Iraq and heads up the World Ahlul Bayt Islamic League in London. Other than being involved in various humanitarian projects, he frequently responds to... Answered 3 years ago

Ahlul Bayt (AS) recorded and ordered their followers to record the knowledge. All supplications and sermons and Hadiths were written.

Ameerul Momineen was writing the knowledge from the Prophet in a book called Al-Jami’ah الجامعة.

All our Infallible Imams used to write and order their followers to write.