In his third letter to his daughter he told her the story of two youngsters.
“There were two youngsters. One lived in a village by the side of a river. The other in a village by the side of a mountain. We will call them River and Mountain respectively. Once, both of them started on a journey to a distant temple. Their paths converged after some days and they met on the way. Then, they traveled together discussing various things.
River told Mountain that some time ago, he started practicing ‘doing his work without thinking about the results’ as told by Sri Krishna in Gita.
Mountain asked him why he is doing so.
River told that his guru told him that if he does his work without thinking about the results, he will find success in life.
Mountain told him that in that case he is doing everything expecting an end result that is success in life. Instead he should do his work without thinking about results, maybe, for just the sake of doing it.
River thought for a while and nodded. “