It was narrated from Aws bin Aws that:The Prophet (ﷺ) said: "Whoever washes (Ghassala) and performs Ghusl, comes early to the Masjid and sits near the Imam, and does not engage in idle talk, he will have for every step he takes (the reward of) a year's worth of good deeds, fasting it and praying Qiyam during it

English translation · Sunan an-Nasa'i