Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
quran:96:10

A servant when he prays?  

a servant, namely, Muhammad (s), when he prays?
القرآن:٩٦:١٠

عَبْدًا إِذَا صَلَّىٰ  

{عبدا} هو النبي ﷺ {إذا صلّى}.