Illumination of the Heart
قَالَ رَسُولُ اللٌّهِ ص:صَلاَةُ الرَّجُلِ نُورٌ فِي قَلْبِهِ فَمَنْ شَاءَ مِنْكُمْ فَلْـيُنَوِّرْ قَلْـبَهُ
The Messenger of Allah (peace be upon him and his progeny) has said: “The prayer of a person is (in reality) a light in his heart, so whoever desires, can illuminate his heart (by means of prayers).”
Kanzul `Ummal, Volume7, Tradition 18973
Source: imamreza.net
Other links:
Paradise for Conveying a Teaching
A Guide to the path of Paradise
The Meanest Person
The gravest sins
