Al Salamu 'Alaykum.
Nahmadahu wa Nusalli 'Ala Rasulihil Kareem.
Abu Umamah (ra) narrates that the Prophet (Sall-Allahu alayhi wasallam) said:
The one whose love and whose enmity is only for the sake of Allah, who spends and withholds
only for Allah, verily he has perfected his Faith.
Sunan Abu Dawud: 4681. Taken from Muntakhab Ahadith of Hadratji Yusuf (rah).