ENOfficial
Ibn ‘Abbas (RAA) narrated, ‘Once the Messenger of Allah (ﷺ) passed by some graves in Madinah. He turned his face toward them saying, “Peace be upon you, O dwellers of these graves. May Allah forgive you and us. You have preceded us, and we are following your trail." Related by At-Tirmidhi, who graded it as Hasan.
Source: sunnah.com
Other translations
Arabic
وَعَنْ ابْنِ عَبَّاسٍ رَضِيَ اَللَّهُ عَنْهُمَا قَالَ: { مَرَّ رَسُولُ اَللَّهِ - صلى الله عليه وسلم -بِقُبُورِ اَلْمَدِينَةِ, فَأَقْبَلَ عَلَيْهِمْ بِوَجْهِهِ فَقَالَ: "اَلسَّلَامُ عَلَيْكُمْ يَا أَهْلَ اَلْقُبُورِ, يَغْفِرُ اَللَّهُ لَنَا وَلَكُمْ, أَنْتُمْ سَلَفُنَا وَنَحْنُ بِالْأَثَرِ" } رَوَاهُ اَلتِّرْمِذِيُّ, وَقَالَ: حَسَن ٌ 1 .
sunnah.com