963 - قَالَ زُرَارَةُ سَمِعْتُ أَبَا جَعْفَرٍ عَلَيْهِ اَلسَّلاَمُ يَقُولُ: «اَلدُّعَاءُ بَعْدَ اَلْفَرِيضَةِ أَفْضَلُ مِنَ اَلصَّلاَةِ تَنَفُّلاً.
Hadith.963 - Zurarah reported that he heard Abu Ja'far say:
"Supplication after the obligatory prayer is better than offering a voluntary prayer."
And thus, this has been the practice.