I think you can view this advice in a negative light or a positive light. If you interpret it as "my maximum is lower than other people's" then it will naturall

I think you can view this advice in a negative light or a positive light. If you interpret it as "my maximum is lower than other people's" then it will naturally lead to worse outcomes. I believe the author intended it as "my current progress is less than my peers". This outlook can encourage you to work harder to accomplish the thing that you want and be more open to new strategies, if you earnestly believe that other people might have better strategies than you. (Note, this blog post was written in 2010.)