While taking lessons from successful entrepreneurs is not bad, you must not take some of their advice hook, line and sinker.

In the name of providing motivation for aspiring entrepreneurs, many tell lies and teach what they don’t practise.

Some successful entrepreneurs are just overzealous motivational speakers who try to position themselves as authoritative and prove they earned the right to mentor budding entrepreneurs.
https://businesselitesafrica.com/5-long-standing-lies-successful-entrepreneurs-tell-you/