Sufyan ibn Uyaynah رحمه الله said , on the authority of Imam Ibn Shihab al -Zuhri رحمه الله : I used to sit with Ali ibn al - Husayn ( Zain ul Abideen ) a lot and I did not see anyone who was more knowledgeable than him , but he spoke little . Tehzeeb ul Kamal volume 20 page 386
Nine Things to Say Often
It is reported that Muḥammad [Ibn Sīrīn] – Allāh have mercy him – said:
We were once in the house of ʿAlqamah b. Qays. Rabīʿ b. Ḵuthaym entered upon us and sat in a corner of the house. Then he said, “Speak only a little except for nine things: subḥānallāh, al-ḥamdulillāh, lā ilāha illallāh, Allāhu ʾakbar, reciting the Qurān, enjoining good, forbidding wrong, asking Allāh for what is good and seeking His protection from harm (evil).”
Hannād b. Al-Sarīy, Al-Zuhd #1108.
Also read
Related sayings.
Being careful about what you say leads to right conduct.
Aishah – Allah be pleased with her – used to ask Allah for good dreams.