Hadith 2:292
Narrated 'Aishah (RA):
Allah's Messenger (ﷺ) used to pray four Rak'at in Duha prayer and increase (the number of Rak'at) as much as Allah willed." [Reported by Muslim].
وَعَنْ عَائِشَةَ -رَضِيَ اَللَّهُ عَنْهَا- قَالَتْ: { كَانَ رَسُولُ اَللَّهِ - صلى الله عليه وسلم -يُصَلِّي اَلضُّحَى أَرْبَعًا, وَيَزِيدُ مَا شَاءَ اَللَّهُ } رَوَاهُ مُسْلِمٌ