with an unexplained circus trick the article jumps from Barnum's 20 rules to "here are the four core principles" --- why these four?
I love project Gutenberg to provide the rest. it's a short pamphlet:
I love project Gutenberg to provide the rest. it's a short pamphlet:
For me "Persevere" is probably the main one, many people in the comments here mention the difficulty of making it in a niche field, one that you love and are good at. Personally I lived in a tent/garage for 5 years before finally becoming successful.
Also "Location" resonates. I had to move to a new city when I was starting out due to over saturation in my field at home.