(23) باب لاَ يَسْعَى إِلَى الصَّلاَةِ مُسْتَعْجِلاً، وَلْيَقُمْ بِالسَّكِينَةِ وَالْوَقَارِ
Narrated `Abdullah bin Abi Qatada:
My father said, "Allah's Messenger (ﷺ) said, 'If the Iqama is pronounced, then do not stand for the prayer till you see me (in front of you) and do it calmly.' "
Reference: Sahih al-Bukhari 638
In-book reference: Book 10, Hadith 35
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 1, Book 11, Hadith 611