Musannaf Ibn Abi Shaybah 8625 — What has come on the excellence

Kathir bin Aflah said: We were in Madinah, in the house of Abu Yusuf, in connection with an account we were reckoning, and Sayyiduna Zayd bin Thabit (may Allah be pleased with him) was with us. He said: Praying with the imam is more than twenty times superior to praying alone.