That was advice?
Many argue it's made use seem overly demanding to others, particularly bosses.
The naivety in thinking that you could become an astronaut or something special will probably mean you are more likely to reach your goal or at least go further than other people. I guess if you believe you have the ability to change the world, you probably will.
And it made me more concerned about fitting into little social groups than focusing on what I want to do.