Allah's Messenger (ﷺ) said: "No one of you should ask a woman in marriage when his brother has done so already, until the one who has proposed (to her) before him gives her up, or gives him permission."
A woman came to Allah's Messenger (ﷺ) and said, "O Allah's Messenger, I came to offer myself to you (in marriage)." Allah's Messenger (ﷺ) looked her up and down (carefully), and then Allah's Messenger (ﷺ) lowed his head. When the woman saw that he had not made any decision regarding her she sat down. A man of his companions then stood up and said, "O Allah's Messenger, if you have no need for her, marry her to me." He asked, "Do you have anything (to give her as dowry)?" He replied, "No, I swear by Allah, O Allah's Messenger." He thereupon said, "Go to your family and see if you can find something." He went and then returned and said, "No, I swear by Allah I found nothing." Allah's Messenger (ﷺ) then said, "Look for something, even if it should be an iron ring." He went and then returned and said, "No, I swear by Allah, O Allah's Messenger, not even an iron ring; but I have onl this lower garment of mine - - and I shall give her half of it." Allah's Messenger (ﷺ) then said, "What will she do with your lower garment? For if you wear it, there would be nothing of it on her, and if she wears it, there would be nothing of it on you." The man then sat down and when he had sit for a long time he stood up and Allah's Messenger (ﷺ) saw him departing, so he commanded him and he was called back. When he came back, he said, "What do you have (i.e. memorized) from the Qur'an?" He replied, "I have Surat such and such and Surat such and such," he counted them. He then asked "Can you recited them by heart?" He replied, "Yes." He said, "Go, for I have given her to you in marriage for the part of the Qur'an which you know."
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Another narration has: "Go for I have given her to you in marriage, so teach her some of Qur'an."
A narration by al-Bukhari has: "I have married her to you for the part of the Qur'an which you know."
وَعِنْدَ اِبْنِ مَاجَهْ , وَابْنِ حِبَّانَ : مِنْ حَدِيثِ مُحَمَّدِ بْنِ مَسْلَمَةَ 1 .1 - ولفظه : عن ابن أبي حثمة قال : رأيت محمد بن مسلمة يطارد امرأة ببصره على إجار يقال لها : ثبيتة بنت الضحاك ، فقلت : أتفعل هذا ، وأنت صاحب رسول الله -صلى الله عليه وسلم- ؟ فقال : نعم . قال رسول الله -صلى الله عليه وسلم- : " إذا ألقى الله في قلب رجل خطبة امرأة ، فلا بأس أن ينظر إليها " . وانظر " الأحكام المطلوبة ".
It also has a Shahid (supporting narration) reported by Ibn Majah and Ibn Hibban from the Hadith of Muhammad bin Maslamah.