Al-Adab Al-Mufrad 1071

Asking permission without looking

وَقَالَ النَّبِيُّ ﷺ إِنَّمَا جُعِلَ الإِذْنُ مِنْ أَجْلِ الْبَصَرِ

Translation

✧ The Prophet ﷺ said: Permission has been instituted only on account of seeing.

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al-Albani	Sound	hadithunlocked, sunnah.com