By Shaykh Muhammad bin Hadi Al-Madkhali
The means that were mentioned by the Shaykh are the following:
Firstly: Reciting the Qur’ān.
Secondly: Reading the Sunnah of the Prophet – sallallaahu ‘alayhi wa sallam – and his Seerah.
Thirdly: Reading the reports of the Companions and the righteous people, and their biographies.
Fourthly: Reading the books of admonitions which remind the person. For verily, they are like the lashes which wake up the person, they hit a person in the heart so that he wakes up and becomes alert.
Fifthly: Accompanying the righteous people.
Sixthly: Staying away from accompanying the evil people from the people of desires, innovations, sins and wickedness.
Seventhly: It is upon him to always perform du’a.