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Yasar reported, "I was going to Makkah in the company of
Abdullah bin Umar, and when I apprehended the ap-
proaching dawn I dismounted and offered the Witr prayer
and then joined him. Abdullah bin Umar said, ‘Where have
you been?' I replied, 'I apprehended the approaching dawn so
I dismounted and prayed the Witr prayer.' Abdullah said,
'Isn't it sufficient for you to follow the good example of the
Messenger of Allah 5g,?' I replied, 'Yes, by Allah.' He said,
The Messenger of Allah xs used to pray Witr on the back of
the camel [while on a journey]."'
Sahih Al-Bukhari, Vol. II, p. 115. Chapter 12. Concerning
offering optional prayers before the compulsory prayer dur-
ing a journey. The Messenger of Allah xg. offered two rak'ahs
[in prayer] before the Fajr/Subh prayer on a journey.

263. Sahih Al-Bukhari, Vol. II, p. 120, no. 217. Abdullah bin
Buraida reported, "Imran bin Husain had piles. Once Abu
Mamar narrated for Imran bin Husain who said, 'I asked the
Prophet xg about the prayer of a person while sitting. He