(Imām Bukhārī narrates): Abu An-Nu'man narrated the hadeeth to us, he said: Hammad bin Zaid narrated the hadeeth to us, from Amr bin Dinar, from Hazrat Jabir bin Abdullah, Allāh be pleased with them both, he said that

a person came at the time when the Prophet ﷺ was delivering the sermon on the day of Jumu'ah. He said to him: O so-and-so! Have you prayed? He said: No. He said: Then stand up and pray two rak'ahs.