AHMAD 9334:
from Abū Hurayrah —
[Machine] The translation of the passage is: "The Messenger of Allah ﷺ said: A man should not observe fasting on the day his brother Muslim is observing fasting, nor should he propose marriage to the woman his brother has proposed to."
أحمد ٩٣٣٤:
عن ابو هريره —
عَنْ رَسُولِ اللهِ ﷺ أَنَّهُ قَالَ لَا يَسُومُ الرَّجُلُ عَلَى سَوْمِ أَخِيهِ الْمُسْلِمِ وَلَا يَخْطُبُ عَلَى خِطْبَتِهِ