How to become a successful man in the world?

There are lots of people who were nothing a few years ago but they have become Successful men.

As you probably know "To become a successful man" You have to do very hard work. No matter in which field you're interested.

A boy Can't become a doctor until he/she studies harder.

I love to read quotes from Einstein, Bill Gates, Mark Zuckerberg because they are famous around the world,.

They are occupying space among the world's richest men.