عَنْ أَنَسِ بْنِ مَالِكٍ، عَنِ النَّبِیِّ صَلَّى اللهُ عَلَيْهِ وَسَلَّمَ قَالَ
الدُّعَاءُ مُخُّ الْعِبَادَةِ
Hazrat Anasra bin Malik narrates that the Holy Prophetsa said:
“Supplication is the essence of worship.”
(Jami` at-Tirmidhi, Kitab al-Da‘wat ‘an-Rasulillahsa, Hadith 3371)