Ibn Abbas narrated:"The Messenger of Allah passed by the graves of Al-Madinah, so he turned his face towards them and said: (As-Salamu alaikum ya ahlul-qubur! Yaghfirul-lahu lana wa lakun, antum salafuna wa nahnu bil-athar.) 'Peace be upon you O inhabitants of the grave! May Allah forgive us and you; you are our predecessors and we are to follow you

English translation · Jami' at-Tirmidhi