It starts good but quickly gets into an endless repetition of the same principles over and over again. It also feels like there is no clear structure.
Basically, the core essence is that to be successful, you have to struggle and also want to struggle. Only if you accept the struggle or even enjoy them, you reach your goals. Don’t postpone, do it. Strive for constant improvement. Don’t blame everything on others, be responsible for your actions and doubt yourself.
It’s nothing groundbreaking.
The contents would have easily fit into a medium-sized article.
Two stars because it started out good and if you never ever heard about these principles, he makes them easy to grasp.