question #1 Sahih Muslim 251a, Book 2, Hadith 54 : What actions can lead to the obliteration of sins and elevation of ranks in Islam?

The Messenger of Allah (ﷺ) said: Should I not suggest to you that by which Allah obliterates the sins and elevates the ranks (of a man). They (the hearers) said: Yes, Messenger of Allah. He said: Performing the ablution thoroughly despite odds, tranverside of more paces towards the mosque, and waiting for the next prayer after observing a prayer, and that is mindfulness.