How to Fight Desires and Doubts
Imām Ibn Taimiyyah, may Allāh have mercy on him, said:
So it’s with patience, [harmful] inclinations and desires are abandoned, and it’s with certainty, doubts are driven away.
Iqtiḍāʾ Al-Ṣirāṭ Al-Mustaqīm, vol. 1, p. 120.