Later, he summarized the book of Ecclesiastes with the words: “The conclusion of the matter, everything having been heard, is: Fear the true God and keep his commandments. For this is the whole obligation of man.
وَلَاحِقًا ،‏ لَخَّصَ سِفْرَ ٱلْجَامِعَةِ بِٱلْكَلِمَاتِ ٱلتَّالِيَةِ :‏ « أَمَا وَقَدْ سَمِعْنَا كُلَّ شَيْءٍ ،‏ فَخِتَامُ ٱلْأَمْرِ :‏ خَفِ ٱللهَ وَٱحْفَظْ وَصَايَاهُ ؛‏ لِأَنَّ هذَا هُوَ وَاجِبُ ٱلْإِنْسَانِ .‏