Narrated Buraydah ibn al-Hasib: The Prophet ﷺ said: to Ali: Do not give a second look, Ali, (because) while you are not to blame for the first, you have no right to the second.
Related hadith on this topic
Explanation & Benefits
Shaykh Dr. Abdur Rahman Freywai
Explanation:
1:
That is, if your gaze happens to fall upon someone unexpectedly for the first time, this is excused,
but for you to look again will be blameworthy.
(And even the first glance must be averted immediately.)
Source: Sunan al-Tirmidhi – Majlis ‘Ilmi Dar al-Da‘wah, New Delhi Edition, Page: 2777