Narrated Umar ibn al-Khattab: When the prohibition of wine (was yet to be) declared, Umar said: O Allah, give us a satisfactory explanation about wine. So the following verse of Surat al-Baqarah revealed; "They ask thee concerning wine and gambling. Say: In them is great sin. . . . " Umar was then called and it was recited to him. He said: O Allah, give us a satisfactory explanation about wine. Then the following verse of Surat an-Nisa' was revealed: "O ye who believe! approach not prayers with a mind befogged. . . . " Thereafter the herald of the Messenger of Allah ﷺ would call when the (congregational) prayer was performed: Beware, one who is drunk should not come to prayer. Umar was again called and it was recited to him). He said: O Allah, give us a satisfactory explanation about wine. This verse was revealed: "Will ye not then abstain?" Umar said: We abstained.

Narrated Ali ibn Abu Talib: A man of the Ansar called him and Abdur Rahman ibn Awf and supplied them wine before it was prohibited. Ali then led them in the evening prayer, and he recited; "Say: O ye who reject faith. " He was confused in it. Then the following verse came down: "O ye who believe! approach not prayers with a mind befogged until you can understand all that ye say.

Anas bin Malik reported that Messenger of Allah ﷺ as saying: O Allah, I seek refuge in Thee from niggardliness and old age.