بلوغ المرام
كتاب الصلاة
Book 2, Hadith 182
الإسناد
المتن
وَأَصْلِهِ فِي اَلصَّحِيحَيْنِ 1 ‏ .‏
And its basic meaning is in Sahihain (al-Bukhari and Muslim).