Hadith 1345
´It was narrated from Aishah that:` When the Messenger of Allah (ﷺ) sat in a gathering or prayed, he said some words, and 'Aishah asked him about those words. He said: "If he has spoken some good words (and he says this statement of remembrance), it will be a seal for them to preserve them until the Day of Resurrection, and if he has said something other than that, it (these words) will be an expiation for him: 'Subhanak Allahumma wa bihamdika, astaghfiruka wa atubu ilayk (Glory and praise be to You, O Allah, I seek Your forgiveness and I repent to You.)'"
Hadith 2049
´It was narrated from Abu Hurairah that the Messenger of Allah said:` "May Allah curse the Jews and Christians who took the graves of their prophets as Masjids." (Sahih) Chpater 107. It Is Disliked to Walk Between Grave Wearing Sibtiyah Sandals
Hadith 3114
´It was narrated that Abu Hurairah said:` "The Messenger of Allah (ﷺ) said: 'The dust in the cause of Allah and the smoke of Hell will never be combined in a slave's lungs, and stinginess and faith can never be combined in a slave's heart.'"