It wasnarrated from Aswad that 'Aishah said:
"I never saw theMessengerof Allah (ﷺ) fasting the (first) ten days (of Dhul-Hijjah)." (PT)
English reference (PT): Vol. 1, Book 7, Hadith 1729 (PT)
Arabic reference (PT): Book 7, Hadith 1801 (PT)