And [as for all such believers,] no human being can imagine what blissful delights, as yet hidden, await them [in the life to come] as a reward for all that they did.
As-Sajdah (The Prostration) Verse 17
"Allah's Apostle said, "By Him in Whose Hands my life is, none of you will have faith till he loves me more than his father and his children."
Sahih Bukhari: Volume 1, Book 2, Number 13