Arabic hadith text
وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ يَحْيَى بْنِ سَعِيدٍ، عَنْ سُلَيْمَانَ بْنِ يَسَارٍ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم كَانَ يَرْفَعُ يَدَيْهِ فِي الصَّلاَةِ ‏.‏
Translation

Yahya related to me from Malik from Yahya ibn Sa'id from Sulaymanibn Yasar that the Messenger of Allah, may Allah bless him and granthim peace, used to raise his hands in the prayer.