Messenger of Allah ﷺ visited me when a man was sitting near me, and he seemed to disapprove of that. And I saw signs of anger on his face and I said: Messenger of Allah, he is my brother by forsterage, whereupon he said: Consider who your brothers are because of fosterage since fosterage is through hunger (i. e. in infancy).  

عَائِشَةُ دَخَلَ عَلَىَّ رَسُولُ اللَّهِ ﷺ وَعِنْدِي رَجُلٌ قَاعِدٌ فَاشْتَدَّ ذَلِكَ عَلَيْهِ وَرَأَيْتُ الْغَضَبَ فِي وَجْهِهِ قَالَتْ فَقُلْتُ يَا رَسُولَ اللَّهِ إِنَّهُ أَخِي مِنَ الرَّضَاعَةِ قَالَتْ فَقَالَ انْظُرْنَ إِخْوَتَكُنَّ مِنَ الرَّضَاعَةِ فَإِنَّمَا الرَّضَاعَةُ مِنَ الْمَجَاعَةِ  

This hadith is narrated on the authority of Abu al-Ahwas with another chain of transmitters and a slight variation of words.  

عَنْ أَشْعَثَ بْنِ أَبِي الشَّعْثَاءِ بِإِسْنَادِ أَبِي الأَحْوَصِ كَمَعْنَى حَدِيثِهِ غَيْرَ أَنَّهُمْ قَالُوا مِنَ الْمَجَاعَةِ