Hisham ibn Hassan reported: Al-Hasan, may Allah have mercy on him, said in regards to His saying, “O Lord, give us good in the world and good in the Hereafter,” (2:201) that good in the world is knowledge and worship, and good in the Hereafter is Paradise.
Source: Sunan al-Tirmidhī 3488
عَنْ هِشَامِ بْنِ حَسَّانَ عَنْ الْحَسَنِ رحمه الله فِي قَوْلِهِ رَبَّنَا آتِنَا فِي الدُّنْيَا حَسَنَةً وَفِي الْآخِرَةِ حَسَنَةً قَالَ فِي الدُّنْيَا الْعِلْمُ وَالْعِبَادَةُ وَفِي الْآخِرَةِ الْجَنَّةُ
3488 سنن الترمذي كتاب الدعوات باب ما جاء في عقد التسبيح باليد