The eye is the mirror of the heart…
Imām Ibn al-Qayyim [Allāh have mercy on him] said:
“The eye is the mirror of the heart, so if the slave lowers his gaze, the heart will lower its desires and whims, and if he lets his gaze wander, the desire in his heart will be released.”
[Rawdat al-Muhibbīn | P. 109]