And they say they don't worship Muhammad?
Volume 1, Book 2, Number 14:
Narrated Abu Huraira:
"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."
Volume 1, Book 2, Number 15:
Narrated Anas:
The Prophet said "
None of you will have faith till he loves me more than his father, his children and all mankind."
Volume 1, Book 2, Number 16:
Narrated Anas:
The Prophet said, "
Whoever possesses the following three qualities will have the sweetness (delight) of faith:
1.
The one to whom Allah and His Apostle becomes dearer than anything else. 2. Who loves a person and he loves him only for Allah's sake.
3. Who hates to revert to Atheism (disbelief) as he hates to be thrown into the fire."
http://www.usc.edu/org/cmje/religious-texts/hadith/bukhari/002-sbt.php#001.002.014