Hadithcore
Mishkat al-Masabih, 1178

‘A’isha said that God’s Messenger never omitted to pray two <i>rak'as</i> after the afternoon prayer in her house. (Bukhari and Muslim.) In a version by Bukhari she said, “By Him who took him away, he did not omit them till he met God.”

وَعَنْ عَائِشَةَ قَالَتْ: مَا تَرَكَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ رَكْعَتَيْنِ بَعْدَ الْعَصْرِ عِنْدِي قطّ وَفِي رِوَايَةٍ لِلْبُخَارِيِّ قَالَتْ: وَالَّذِي ذَهَبَ بِهِ مَا تَركهمَا حَتَّى لَقِي الله

References1 variant
In-Book Reference
Book 4, Hadith 595