Uqba b. 'Amir said on the pulpit that Allah's Messenger (ﷺ) said:A believer is the brother of a believer, so it is not lawful for a believer to outbid his brother, and he should not propose an engagement when his brother has thus proposed until he gives it up
Ҳадис 3465 — Sahih Muslim 16:67
حَدَّثَنَا يَحْيَى بْنُ يَحْيَى، قَالَ قَرَأْتُ عَلَى مَالِكٍ عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم نَهَى عَنِ الشِّغَارِ . وَالشِّغَارُ أَنْ يُزَوِّجَ الرَّجُلُ ابْنَتَهُ عَلَى أَنْ يُزَوِّجَهُ ابْنَتَهُ وَلَيْسَ بَيْنَهُمَا صَدَاقٌ .
Ibn Umar (Allah be pleased with them) said that Allah's Messenger (ﷺ) prohibited Shighar which means that a man gives his daughter in marriage on the condition that the other gives his daughter to him in marriage with- out any dower being paid by either
Abu Huraira (Allah be pleased with him) reported that Allah's Messenger (ﷺ) prohibited Shighar. Ibn Numair added:Shighar means that a person should say to the other person: Give me the hand of your daughter in marriage and I will (in return) marry my daughter to you; or merry me your sister, and I will marry my sister to you
Uqba b. Amir (Allah be pleased with him) reported Allah's Messenger (ﷺ) as saying:The most worthy condition which must be fulfilled is that which makes sexual intercourse lawful. In the narration transmitted by Ibn Muthanna (instead of the word" condition" ) it is" conditions
Abu Huraira (Allah be pleased with him) reported Allah's Messenger (ﷺ) as having said:A woman without a husband (or divorced or a widow) must not be married until she is consulted, and a virgin must not be married until her permission is sought. They asked the Prophet of Allah (ﷺ): How her (virgin's) consent can be solicited? He (the Holy Prophet) said: That she keeps silence