if you think your job is tough, how about him
if your society is unfair to you, how about her
when you feel like giving up, think of this manyou think study is a burden, how about her If you complaint about your transport system, how about them If you think you are unhappy, look at themIf you think you don't have many friends, ask yourself if you have one sincere friend...
if you think you suffer in life, do you suffer as much as he does