'Alibin Abu Talib said:
"Witr is not definite (obligatory) nor is itlike your prescribed prayers. But the Messenger of Allah (ﷺ) prayedWitr, then he said: 'O people of the Qur'an! Perform Witr, forAllahis Witr* and He loves the odd (numbered).'" (TH)
English reference (TH): Vol. 1, Book 5, Hadith 1169 (TH)
Arabic reference (TH): Book 5, Hadith 1224 (TH)