"The Messenger of Allah (ﷺ) aid: 'When the Iqamah for prayer is said, there is no prayer except the prescribed prayer."'
Sunan an-Nasa'i Book 10, Hadith 89
← Previous Hadith "The likeness of one who comes early to prayer is that of one who sacrificed a camel, then the one who comes after him is like one who sacrificed a cow, then the one who comes after him is like one who sacrificed a ram, then the one who comes after him is like one who sacrificed a chicken, then the one who comes after him is like one who sacrificed an egg."

Sunan an-Nasa'i Book 10, Hadith 88 Next Hadith → "When the Iqamah for prayer is said, there is no prayer except the prescribed prayer."

Sunan an-Nasa'i Book 10, Hadith 90