Somebody starts out poor and makes his way through hard work and dedication and effort to riches and success.

他白手起家,通过努力工作,奋发图强，最终得到荣华富贵。

耶鲁公开课 - 死亡课程节选

He created just about the biggest private equity firm from scratch in 1985 and I guess they just went public and they have a huge market cap.

他于1985年白手起家,创建了最大的私募股权公司,后来公司上市,市值相当可观

耶鲁公开课 - 金融市场课程节选