"But as for him who feared standing before his Lord, and restrained himself from impure evil desires and lusts — Verily, Paradise will be his abode." (Qur'an 79:40–41)
"O Allah, protect me from the evils of my self, and guide me to the best of my affairs. O Allah, forgive what I have concealed and what I have declared, what I have done in error and what I have done deliberately, what I know and what I am ignorant of."
"Indeed, all of the heart's diseases originate from the self. All corrupt substances are poured to the self, and then they emerge from it to the body parts, and the first part that they reach is the heart."
"The self is the servant's mount on which he travels to Paradise or Hell, and patience for it is like the harness and the rein for the mount. If the mount does not have a harness or rein, it will stray in every direction." — Ibn al-Qayyim
"O the Living, the Sustainer, O Originator of the heavens and the earth, O Possessor of majesty and honor — there is no deity except You. I seek refuge in Your mercy. Fix all my affairs, and do not leave me to myself for the blink of an eye, nor to any of Your creatures."
"Indeed, He has no authority over those who have believed and rely upon their Lord." (Qur'an 16:99)

"Indeed, the believer exhausts his Shayṭān, just as one of you exhausts his camel during a journey." — The Prophet ﷺ (reported by Abū Hurayrah)
Yaḥyā b. Zakariyā ﷺ commanded Banū Isrā'īl: "I command you to remember Allah, for verily its likeness is that of a man pursued by enemies who hastens until he reaches a fortified fortress and saves himself. Likewise, a servant does not save himself from Shayṭān except through the remembrance of Allah."

"O Allah, Knower of the unseen and the witnessed, Creator of the heavens and the earth, Lord of everything and its King — I bear witness that there is no god but You. I seek refuge in You from the evil of my soul, and from the evil of Shayṭān and his partnership, and that I commit evil against myself or drag it to a Muslim."
"Whoever overcomes his soul is successful and prosperous, and whoever is overcome by his soul is a loser and perishes." — Ibn al-Qayyim