Arabic Text
حَدَّثَنَا عَبْدُ اللَّهِ بْنُ يُوسُفَ، حَدَّثَنَا اللَّيْثُ، عَنْ يَزِيدَ، عَنْ عِرَاكٍ، عَنْ عُرْوَةَ، أَنَّ النَّبِيَّ صلى الله عليه وسلم خَطَبَ عَائِشَةَ إِلَى أَبِي بَكْرٍ فَقَالَ لَهُ أَبُو بَكْرٍ إِنَّمَا أَنَا أَخُوكَ، فَقَالَ " أَنْتَ أَخِي فِي دِينِ اللَّهِ وَكِتَابِهِ وَهْىَ لِي حَلاَلٌ ".
English Translation
Narrated 'Ursa: The Prophet asked Abu Bakr for 'Aisha's hand in marriage. Abu Bakr said "But I am your brother." The Prophet said, "You are my brother in Allah's religion and His Book, but she (Aisha) is lawful for me to marry."
This hadith is from Sahih al-Bukhari, the most rigorously authenticated collection in Islamic scholarship. No editorial opinion is added.