a great secret of success is to go through life as a man who never gets used up.

a great secret of success is to go through life as a man who never gets used up.
a great secret of success is to go through life as a man who never gets used up.

a great secret of success is to go through life as a man who never gets used up.
爱迪生的：成功的一个大秘诀是作为一个不知疲倦的人度过人生