and he taught his daughter Fāṭimah and ʿAlī the tasbīḥ (saying subḥān Allah), the takbīr (saying Allāhu akbar), and the taḥmīd (saying al-ḥamdu lillāh), each of them thirty-three times, when she complained to him of the strain of grinding grain, drawing water, and attending to household chores. He said to them, “It is better for the two of you than a servant.”

30 – Keeping the tongue moist with remembrance—on the road, at home, while resident or travelling, in every locale—multiplies the witnesses who will testify for a person on the Day of Resurrection. The Almighty says, “That Day it will relate its news” (99:4). In the hadith of Abū Hurayrah, traced back to the Prophet, it is explained: “Its news is that the earth will bear witness about every man and woman concerning what they did upon it, saying, ‘He did such-and-such on such-and-such a day.’” [Related by al-Tirmidhī 2429, who graded it ḥasan ṣaḥīḥ].

And there are many other benefits besides.