Hadith Q663

وَتَسْمِيَةِ الْمُنْتَقِصِ رُكُوعَهُ وَسُجُودَهُ سَارِقًا، أَوْ هُوَ سَارِقٌ مِنْ صَلَاتِهِ‏.‏
Statement about calling the one who is deficient in his bowing and prostration a thief, or that he is a thief of his prayer
Hadith Reference صحيح ابن خزيمه / جماع أبواب الأذان والإقامة / Q663