The Muslim should not purchase in opposition to his brother, and he should not make the proposal of marriage on the proposal already made by his brother.
Sahih Muslim Book 16, Hadith 64
← Previous Hadith A hadith like this has been narrated on the authority of Zuhri with the same chain of transmitters but with a slight alteration.

Sahih Muslim Book 16, Hadith 63 Next Hadith → This hadith has been narrated on the authority of Abu Huraira (Allah be pleased with him) through another chain of transmitters.

Sahih Muslim Book 16, Hadith 65