The following five things cure the heart:

1. The company of the pious.
2. Recitation of the Qur’ān.
3. Keeping the stomach empty.
4. Standing in Salāh during the night.
5. Weeping in front of Allāh before dawn.

‎● {التحضيري ليوم القيامة ٣٨}

Shaykh Muqbil bin Hādī al-Wādiʿī رحمه الله :

1. Acting upon what has been memorised.

Wakī’ said; Whoever wishes to memorises ḥadīth then let him act upon it.

[as-Suyuṭī, at-Tadbīr (1/588)]

2. Mindfulness of Allah ﷻ – Allah ﷻ said (interpretation of meaning):

‘Be mindful . . . see more