Pursuing random opportunities diffuses one’s efforts. Exceeding one’s resources gets you into trouble when times weaken. If you’re always overspending and trying to do too much, you can be successful 10 times in a row and be wiped out on the 11th time.
As time goes by, it’s become clear that people skills are very important. Ultimately, a business and a career will be successful if you understand how to motivate and work with other people.