Sahih Bukhari

Narrated Ibn `Abbas: `Umar bin Al-Khattab used to let Ibn `Abbas sit beside him, so `AbdurRahman bin `Auf said to `Umar, ""We have sons similar to him."" `Umar replied, ""(I respect him) because of his status that you know."" `Umar then asked Ibn `Abbas about the meaning of this Holy Verse:-- ""When comes the help of Allah and the conquest of Mecca . . ."" (110.1) Ibn `Abbas replied, ""That indicated the death of Allah's Messenger (ﷺ) which Allah informed him of."" `Umar said, ""I do not understand of it except what you understand