The inspiration master is Dale Carnegie, and the steel king is andrew carnegie. They are actually distant relatives, so they have the same surname. In our country, the master of motivation is generally translated into Carnegie, the steel king Carnegie, to show the difference.

The weakness of human nature was actually written by Mr. Carnegie. The United States has an officially authorized institution in China called Carnegie Training. You can also visit this website, which will help you clear your mind.

www.carnegiechina.com