(13) باب حُجَّةِ مَنْ قَالَ لاَ يَجْهَرُ بِالْبَسْمَلَةِ
Anas reported:
I observed prayer along with the Messenger of Allah (ﷺ) and with Abu Bakr, Umar and Uthman (may Allah be pleased with all of them), but I never heard any one of them reciting Bismillah-ir-Rahman-ir-Rahim loudly. (ID)
Reference (ID): Sahih Muslim 399 a (ID)
In-book reference (ID): Book 4, Hadith 52 (ID)
USC-MSA web (English) reference(deprecated numbering scheme): Book 4, Hadith 786 (ID)