Sahih al-Bukhari Book 65, Hadith 219
Allah's Messenger (ﷺ) said, "The keys of Unseen are five which none knows but Allah: None knows what
will happen tomorrow but Allah; none knows what is in the wombs (a male child or a female) but
Allah; none knows when it will rain but Allah; none knows at what place one will die; none knows
when the Hour will be established but Allah." (See The Qur'an 31:34.")
"I told her (`Aisha): (Regarding the above narration), they (Apostles) were betrayed (by Allah)." She said: Allah forbid or said similarly.
While we were with Allah's Messenger (ﷺ) he said, "Tell me of a tree which resembles a Muslim man. Its leaves do not fall and it does not, and does not, and does not, and it gives its fruits every now and then." It came to my mind that such a tree must be the date palm, but seeing Abu Bakr and `Umar saying nothing, I disliked to speak. So when they did not say anything, Allah's Messenger (ﷺ) said, "It is the date-palm tree." When we got up (from that place), I said to `Umar, "O my father! By Allah, it came to my mind that it must be the date palm tree." `Umar said, "What prevented you from speaking" I replied, "I did not see you speaking, so I misliked to speak or say anything." `Umar then said, "If you had said it, it would have been dearer to me than so-and-so."