The ruling on saying: "Allah and His Messenger know best" after the death of the Prophet (peace and blessings be upon him)
Machine translationRead the Arabic original
Question:
Honorable Shaykh, may Allah grant you success. A questioner says: When a person does not know about something, is it permissible for him to say "Allah and His Messenger know best"?
Answer:
During the life of the Messenger (peace and blessings be upon him), one says "Allah and His Messenger know best," but after his death, one says "Allah knows best" only. Yes.
Honorable Shaykh, may Allah grant you success. A questioner says: When a person does not know about something, is it permissible for him to say "Allah and His Messenger know best"?
Answer:
During the life of the Messenger (peace and blessings be upon him), one says "Allah and His Messenger know best," but after his death, one says "Allah knows best" only. Yes.
Source
قناة «العلامة الدكتور صالح الفوزان»، 76- حكمُ قول: "اللهُ ورسولُه أعلم" بعد وفاة النبيِّ ﷺ - صالح الفوزان — youtube.com
The Arabic text is a machine transcription of the audio recording.