(1) باب فَضْلِ الدُّعَاءِ
It was narrated from Nu'man bin Bashir that :
the Messenger of Allah (saas) said: "Indeed the supplication is the worship." Then he recited: "And your Lord said: Invoke Me, I will respond to you." (RU)
Reference (RU): Sunan Ibn Majah 3828 (RU)
In-book reference (RU): Book 34, Hadith 2 (RU)
English translation (RU): Vol. 5, Book 34, Hadith 3828 (RU)