No pain , No gain .. means what !!

really dont understand the meaning of this line..

i think its when u come to regret  for what u done with urself

its its not pre decide right so what pain only GAIN.



Job

U kw when ur friend get job and u dont.. (in mind conversation)

U- sale u got job cos of me , am also capable of this place but this time i miss it by single point and u got it. thank to me !!
 chal ab party to de.. tere paiso ka kuch khaa to leta hu

friend- what !! means i did nothing .. cm on man ! i done lots of hard work for this u dnt kw.. actually only i deserve this place ..

oky party ka dekhte.. salary milne toh de !!