Agar...

Agar koi hamare pyaar mein itna imandar na hota...
Agar hamen apnoki abroo ka lehaj na hota...
Aur agar aap itne sharif na hote...
Toh aapki chahat me ham apne khuda se bhi beiman ho jate...

P.S.: Inspired by the last dialogue from 'Tanu Weds Manu'.