((﴿رَبَّنَا آتِنَا فِي الدُّنْيَا حَسَنَةً وَفِي الْآخِرَةِ حَسَنَةً وَقِنَا عَذَابَ النَّارِ﴾)).
The Prophet PBUH used to say between the Yemeni corner and the black stone: (O our Lord, grant us the best in this life and the best in the next life, and protect us from the punishment of the Fire.)
Abu Dawud 2/179, Ahmad 3/411, Al-Baghawi, Sharhus-Sunnah 7/128. Al-Albani graded it good in Sahih Abu Dawud 1/354. The Ayat is from Surat Al-Baqarah, 2:201.