Reza talked about his success again and again, but he never talked about the steps to be taken for having a successful life. We understand from the sentence that........
1 )
Reza gave a clear description about what causes us to be successful in life.
2 )
Reza talked about his success briefly, but talked in detail about the different ways of success.
Though Reza didn't say anything about the causes of his success, he repeatedly talked about his success.
4 )
Reza talked about the causes of his success and his success equally.