i think its part of literature so am posting it here…
mods feel free to move if need be (as if u really need my permission for moving 
)…
this is taken from another thread…
i searched the entire deewan-e-ghalib but i did not find this she’r in it…
i looked for it cuz it definitely did not sound ghalib to me…
is it really chacha ghalib’s sher or is this just an impostor???
Sorry yaar if I may have hurt your feelings 
Aap ne tu dil pe le leya 
I was myself surprised to see that … May be it is not Ghalib’s shair but the second misrah is quite common. so I thought shaid … 
Another quite famous line is
** is tarha tu hota hai is tarha ke kamoon main**
And the complete shair is
keyoon udaas phirtey ho, sardeyoon ki shamoon main
is tarha tu hota hai istarha key kamooon main
I will try to find out the other misrah of …
ju kuch nahi kartey wo kamal kartey hain…
i think that will help